OpenTechnical

OT-2026-000032121

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000032121) never changes.

Identity and time

Publication numberOT-2026-000032121 · never reused
Internal UUID01a0ae74-f7a5-7ef7-acac-d0b4eaa68cb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032121
StatusPUBLIC

Content hashes

Canonical text0bbd54cf6d4b81ebb4ea5f8587feb73875e4337866f0b36e9e562a21d96873df
Markdown4a0417723186ccec8690e884197e8c0d23787b3c929670b87dd4aa37bbdb0bc8
PDF
Publication pagea76900b119c635c233502c7f003d3fa924de503df7bb3a0a2b6285d2d06e8f19
Manifest3077917c58f13444734136bcf00c9194c91566df53ad41fb8d930a6eb29c2a66

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
SignatureH/7yogbm+aGarhJA0G9XWJx3AQWYfmbC9nMqN4CmBzvCP1rQW9AYCJW4EN8BPdCGD93rr4g5fzUdc08owzW8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:34:26.250881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032121
observed a76900b119c635c233502c7f003d3fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.232798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032121/manifest.json
observed 3077917c58f13444734136bcf00c9194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.214777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032121/publication.md
observed 4a0417723186ccec8690e884197e8c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.196013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032121/publication.txt
observed 0bbd54cf6d4b81ebb4ea5f8587feb738...
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.