OpenTechnical

OT-2026-000022686

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained 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-2026-000022686) never changes.

Identity and time

Publication numberOT-2026-000022686 · never reused
Internal UUID01a0ae70-46e9-7f35-b0da-1df866821ba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022686
StatusPUBLIC

Content hashes

Canonical text21552320647e915c9e7ab7310c610c5c7257cebf9771027a9c95aab17d669632
Markdown03f77a2bff29a13834747d2f255675c76796eb7e529bd8dcf0b3bc97ade5185a
PDF
Publication pageae35934ec1c888f746a15ce7cda498f28934352552a7eebe4b50e30714b1cc24
Manifestc2bd968a41e1c32c0f9a91177a386f9afbf51d49a10c8ade38be4e571f778b05

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
Signaturekmuc7BuQ4WxE/P5KEeRHLTolCFuSEEZwM/GPCISyiddCRsHYf+b3cKHHQ01defluwDXVCNRhGozYCDR8kVHPDg==
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

2026-09-17T11:52:04.561879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022686
observed ae35934ec1c888f746a15ce7cda498f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.543336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022686/manifest.json
observed c2bd968a41e1c32c0f9a91177a386f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.524075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022686/publication.md
observed 03f77a2bff29a13834747d2f255675c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:04.505505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022686/publication.txt
observed 21552320647e915c9e7ab7310c610c5c...
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.