OpenTechnical

OT-2026-000062942

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000062942) never changes.

Identity and time

Publication numberOT-2026-000062942 · never reused
Internal UUID01a0ae8c-94a8-7870-82de-05ab9252c70e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062942
StatusPUBLIC

Content hashes

Canonical text05190084cb8427c6e026a90d2bac010e3055f110c5624dfe05e311313eb8d122
Markdownacfd1684f39e65c0ddd5725e03a9c15f2b898623b6a19d93d9897938be5bfeb0
PDF
Publication pagee740b7221bf27c547bf082bc16aa6455ec03374936ea4e38316d39b281a76544
Manifest59dca30f73bb29a270e28477b04b48f93f97ceadbce98f11a91b7479a3a045d4

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
SignatureUjpLn543GT84HONejvQNXPb7TPCSjaZMBKWBI0yADZNaPu79Vtumo5ZD/9uswswgIX35PqMHWJE4yc9G0AMICQ==
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

2026-09-17T10:40:26.536351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942
observed e740b7221bf27c547bf082bc16aa6455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.510157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942/manifest.json
observed 59dca30f73bb29a270e28477b04b48f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.483870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942/publication.md
observed acfd1684f39e65c0ddd5725e03a9c15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.463203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942/publication.txt
observed 05190084cb8427c6e026a90d2bac010e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.047731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942
observed e740b7221bf27c547bf082bc16aa6455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.031072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942/manifest.json
observed 59dca30f73bb29a270e28477b04b48f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:40.013662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942/publication.md
observed acfd1684f39e65c0ddd5725e03a9c15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:39.997824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062942/publication.txt
observed 05190084cb8427c6e026a90d2bac010e...
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.