OpenTechnical

OT-2026-000102777

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000102777) never changes.

Identity and time

Publication numberOT-2026-000102777 · never reused
Internal UUID01a0aea4-858c-7150-b96a-b3c9facefc2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102777
StatusPUBLIC

Content hashes

Canonical textbf8ad304e4ba5cbd49d0da61a613123f45d531d81a3fff54ace420de17726a8b
Markdownc3835e210cc1aa53c762ca202e926795a5311fc1ead832101d57580a797a9537
PDF
Publication page664867f2d23f7abc40b8084a0f6e767455589bea209ad67087df4718e790148b
Manifest592a498990002c91c6fcfb5396a8164a868bf178cd25b8685da34f8d05bde602

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
SignatureXSTJEQMJw9BBsbSzk/1aoNimijS5WIQVK3P7PmxB1UxiwykSBUSMaKVwaHdlX5Wi0Fr7KENNxmGo/mm/u4CICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:18.228770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102777
observed 664867f2d23f7abc40b8084a0f6e7674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:18.202029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102777/manifest.json
observed 592a498990002c91c6fcfb5396a8164a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:18.183590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102777/publication.md
observed c3835e210cc1aa53c762ca202e926795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:18.091967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102777/publication.txt
observed bf8ad304e4ba5cbd49d0da61a613123f...
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.