OpenTechnical

OT-2026-000056704

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000056704) never changes.

Identity and time

Publication numberOT-2026-000056704 · never reused
Internal UUID01a0ae87-7af6-70ec-99fa-f29ef26ab66d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056704
StatusPUBLIC

Content hashes

Canonical textc2d25e8dd664905c9b2ca0ae57440450fc8cc3d5716cddebc629c058fc9fe076
Markdownb275174d2c33fce288d01d93c425730ae58dd4c9a77145fff618763e777c932b
PDF
Publication page367412ce81b2ae84fe1b855af9d667a841d7e13ca69ea40de2a5eeb55f40890c
Manifest115f25201f153a26e4bcbede07a6ba6a2b6b2d90b464a77fde56d863597af450

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
SignatureRPUUGYkcHG6ZUu5aPKSQkKbG51H9eqM+1cilAtn+qgiW7ghfEC1qrChaxThduKPWWX3P8DT2+YmFRwjCaKGKBg==
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

2026-09-17T10:50:06.747563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056704
observed 367412ce81b2ae84fe1b855af9d667a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.726876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056704/manifest.json
observed 115f25201f153a26e4bcbede07a6ba6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.704251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056704/publication.md
observed b275174d2c33fce288d01d93c425730a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.685876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056704/publication.txt
observed c2d25e8dd664905c9b2ca0ae57440450...
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.