OpenTechnical

OT-2026-000026999

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000026999) never changes.

Identity and time

Publication numberOT-2026-000026999 · never reused
Internal UUID01a0ae72-3453-7a25-96f9-28a5ba92a151 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026999
StatusPUBLIC

Content hashes

Canonical textb68d4eca75804fde1d1de69bf085edcb84147ee70fdb4d116253091f763730a2
Markdowncf15346531fbb1a5bf522cd66358f3305ae9374f3cc2db7168b8c73e56165d3c
PDF
Publication pagefdd8650eabc6aca50a514f72f63567390d261a420226997596fe611be3abc39a
Manifest94afd2d1a34583fafb2184d8840a18a33c1d8aa1b1316a0c45739bc58f67e059

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
SignatureDg1ivEqlwPBHU/sc0GL6xFjCTyvPzrzPdvGLHuF04bkUMBcdyg9nOSNfN5eDKnEZmASHbuM4iL6L+E1nyzEfDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:37.718024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026999
observed fdd8650eabc6aca50a514f72f6356739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.700977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026999/manifest.json
observed 94afd2d1a34583fafb2184d8840a18a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.685647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026999/publication.md
observed cf15346531fbb1a5bf522cd66358f330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.671003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026999/publication.txt
observed b68d4eca75804fde1d1de69bf085edcb...
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.