OpenTechnical

OT-2026-000077708

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after set-down

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-2026-000077708) never changes.

Identity and time

Publication numberOT-2026-000077708 · never reused
Internal UUID01a0ae95-2ecf-75b4-be6a-c91f413f0226 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077708
StatusPUBLIC

Content hashes

Canonical text544694706e74a5a88931d449dfcb55a4e1f3a1e01a90716b2d76cff5d6abaef6
Markdowndffee3df30fd7d3044eefb41937b5f18f68877eb1aca7ed7ad076f2dd9ab18ab
PDF
Publication page27829198e4eacacdbf5e4a5e4e8853884b6aef8ae34c8ff09f8a7e8954ff2176
Manifestbb9c1c644f5b128779c52f9085093b3e0c399ea099f19f9b8a4313eb77a102a9

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
SignaturedyJ4dBm49ZyV1yaE9mV0+M3YQqJ9ycwHeJe8EkddI+xhgtS+he7reVJDQ2G89kkQhmIXyxxFwCjlrm6u4v9KBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:16.924230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077708
observed 27829198e4eacacdbf5e4a5e4e885388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.900805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077708/manifest.json
observed bb9c1c644f5b128779c52f9085093b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.883688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077708/publication.md
observed dffee3df30fd7d3044eefb41937b5f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.864431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077708/publication.txt
observed 544694706e74a5a88931d449dfcb55a4...
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.