OpenTechnical

OT-2026-000010319

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented 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-2026-000010319) never changes.

Identity and time

Publication numberOT-2026-000010319 · never reused
Internal UUID01a0ae6c-0ee5-755b-9fc5-df23d77bacc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010319
StatusPUBLIC

Content hashes

Canonical text837005f9b5d24a4ab150c9a5a588bc79ad986d19dff5640d349b7b7dbff2ca58
Markdown6ead07dcec5f843cff5b5c7ddb40f7f3255283efe668d21bea90a1b50fe66b1b
PDF
Publication page1380980eb7a913d7beb5dbffaeb4a5b79e66b2e67f930cbc872de0585dbd1cb8
Manifestaef300bb89af2df615f43fce59aee60ef47823366190dd19bf98615fcde1aefa

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
SignatureQ+h7Oaifo4Svtk7xQnW9b1/pM380XFzW4gwxqv6e89ikZqaPZStHxZGTu2RPqEDhMYUSSpOXXZHPXAoz0nZHCw==
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

2026-09-17T12:14:20.067667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010319
observed 1380980eb7a913d7beb5dbffaeb4a5b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:20.046448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010319/manifest.json
observed aef300bb89af2df615f43fce59aee60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:20.026572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010319/publication.md
observed 6ead07dcec5f843cff5b5c7ddb40f7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:20.004774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010319/publication.txt
observed 837005f9b5d24a4ab150c9a5a588bc79...
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.