OpenTechnical

OT-2026-000077969

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000077969) never changes.

Identity and time

Publication numberOT-2026-000077969 · never reused
Internal UUID01a0ae95-2ed1-7436-9e68-f807a1a3270c · 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-2026-000077969
StatusPUBLIC

Content hashes

Canonical text1b3f14e891ca66cad10b2cd675814f45de18b20a08b8a02969c1664481856f18
Markdown2ef4bd06a440088fb43ad09fed125c85b61410471dfb0331e771b57f90954b2f
PDF
Publication page75794d3b8ed815858106ea172f344fa036a771315b8797c8008e30facd916ff5
Manifestf09c7604b6561db0f647cba49083e5b3fec8c3814cfc2edf8338ea99e202031b

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
SignaturelwgBKsl1WEg/yZbKyw82zJT8FjU/mIvTldT6bMwd7lRTtWvgc1NvXZrWRk7eoxJf2NS7LlATjW1iBYwwcXILDA==
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

2026-09-17T10:10:21.731672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969
observed 75794d3b8ed815858106ea172f344fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.713678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969/manifest.json
observed f09c7604b6561db0f647cba49083e5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.694845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969/publication.md
observed 2ef4bd06a440088fb43ad09fed125c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.553015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969/publication.txt
observed 1b3f14e891ca66cad10b2cd675814f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.173112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969
observed 75794d3b8ed815858106ea172f344fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.154880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969/manifest.json
observed f09c7604b6561db0f647cba49083e5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.137289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969/publication.md
observed 2ef4bd06a440088fb43ad09fed125c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.117489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077969/publication.txt
observed 1b3f14e891ca66cad10b2cd675814f45...
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.