OpenTechnical

OT-2026-000056545

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented before 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-2026-000056545) never changes.

Identity and time

Publication numberOT-2026-000056545 · never reused
Internal UUID01a0ae87-7af5-7845-8172-7396a9bd8bcd · 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-2026-000056545
StatusPUBLIC

Content hashes

Canonical text994007cf86af6c39489407f15188babf58a2f3805106e28ec2a95204554786b6
Markdown38fcb2f90a465cd8b1bbaa2fa63d5210d8df666c40299e4d21346c1ac9eb3e34
PDF
Publication page583c9b88a05fce5f11688f005ceb83df9288f1fe1f7081a48f188ca5d5ac64c2
Manifest18569f3f62cdb70218755883f0583a714081969f2309189aaf1271abdfb7d49c

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
Signaturep190VIJQy4ZEGcmKiXZxMNcbYOYKxK0wKiTTymCx7KLmJ4FTUBwiF2Komks5plKDFG45oeMPUPZIr71DaUHkCA==
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

2026-09-17T10:49:52.635141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056545
observed 583c9b88a05fce5f11688f005ceb83df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.616720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056545/manifest.json
observed 18569f3f62cdb70218755883f0583a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.600015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056545/publication.md
observed 38fcb2f90a465cd8b1bbaa2fa63d5210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.581743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056545/publication.txt
observed 994007cf86af6c39489407f15188babf...
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.