OpenTechnical

OT-2026-000057240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057240) never changes.

Identity and time

Publication numberOT-2026-000057240 · never reused
Internal UUID01a0ae87-d5bb-77aa-b9a2-b495bdd19390 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057240
StatusPUBLIC

Content hashes

Canonical text29420750ea6e33d7fb528fff99f8e16205f878e5ef51f6e0becfa5358a03a0d5
Markdown9e81263793a490be5088570eb0c0f296b06862f6ba8fb15ea25b819706f60883
PDF
Publication pagea484fa22026d3dd8cb556276fcedd34bf596f309672f4a282ba385e91ff96ae1
Manifest679dd5dc42d8489310437638530156c7070db5d90b00b261056075ead1c886b3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureOtWTfP2LgnFK6JndzPpfCgILZLZWcnm7o5snzpMWqYEIkKZdXyNoeGKzxGdE0hx7oUa8t0fHTdyubd1QsFqsAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.218384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240
observed a484fa22026d3dd8cb556276fcedd34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.200131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240/manifest.json
observed 679dd5dc42d8489310437638530156c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.180962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240/publication.md
observed 9e81263793a490be5088570eb0c0f296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.162917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240/publication.txt
observed 29420750ea6e33d7fb528fff99f8e162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.794083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240
observed a484fa22026d3dd8cb556276fcedd34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.777863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240/manifest.json
observed 679dd5dc42d8489310437638530156c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.760446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240/publication.md
observed 9e81263793a490be5088570eb0c0f296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.741617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057240/publication.txt
observed 29420750ea6e33d7fb528fff99f8e162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.