OpenTechnical

OT-2026-000062878

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000062878) never changes.

Identity and time

Publication numberOT-2026-000062878 · never reused
Internal UUID01a0ae8c-94a8-7201-874a-d2c0ef301b85 · 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-2026-000062878
StatusPUBLIC

Content hashes

Canonical text521a80780d9c5f9cbc705bd7a090f1fe58ae313016ab49f70039ad8a028634e4
Markdownc8a6846f22ac9bbc79a5ac30b4991bf7b80fe502e1eea76af3f804e6aca081b1
PDF
Publication page7f9c478f80b06f5712092aa9b367061d65c44d540424b85284ffdcf795a2e279
Manifestec4c5735e0b5f4efc031153694f41255f1ff6f33bb3060f656df1fae10ac8a3a

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
SignatureIGy8PRNPn8trf2cN/Hqi3mtKBI8cOC3G6Mu0piP4US+fL/cYB00qK0Vv8cvQSLbKnTw3MKagfCR3SCgtrQWTAw==
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

2026-09-17T10:40:14.272741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878
observed 7f9c478f80b06f5712092aa9b367061d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.253657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878/manifest.json
observed ec4c5735e0b5f4efc031153694f41255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.231970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878/publication.md
observed c8a6846f22ac9bbc79a5ac30b4991bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.210534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878/publication.txt
observed 521a80780d9c5f9cbc705bd7a090f1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.858529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878
observed 7f9c478f80b06f5712092aa9b367061d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.841028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878/manifest.json
observed ec4c5735e0b5f4efc031153694f41255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.824422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878/publication.md
observed c8a6846f22ac9bbc79a5ac30b4991bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.806117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062878/publication.txt
observed 521a80780d9c5f9cbc705bd7a090f1fe...
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.