OpenTechnical

OT-2026-000008799

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000008799) never changes.

Identity and time

Publication numberOT-2026-000008799 · never reused
Internal UUID01a0ae6a-e46c-7bb7-bfc7-4bc54be37b2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008799
StatusPUBLIC

Content hashes

Canonical text1cea4839337ae47661ed417cf220b7476d9f821d9d58a1c8b5e918912905fd85
Markdownf93a12cf2d1587ee32c97780a598b50262da0c308b0769fbd66646940c50470a
PDF
Publication pagefb1394b53ccc61c8879238521db8eaecf73ad1744a139cc7c08f44ed13a24736
Manifest82e704293ca7457b420a6fb6e99b2fcb694fb3cdf3c657396791e141a7dbccae

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
Signatureu4cOWnIJ0qd0EViBUuZ9+nIs4dY9jOm3VP1kLfgJPkk6npUGgACoQNcssIFwnGa4RqcTDUio6VQ7cH7+NgWgAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:05.167482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799
observed fb1394b53ccc61c8879238521db8eaec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.148620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799/manifest.json
observed 82e704293ca7457b420a6fb6e99b2fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.120823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799/publication.md
observed f93a12cf2d1587ee32c97780a598b502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.096709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799/publication.txt
observed 1cea4839337ae47661ed417cf220b747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.100966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799
observed fb1394b53ccc61c8879238521db8eaec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.080438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799/manifest.json
observed 82e704293ca7457b420a6fb6e99b2fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.061235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799/publication.md
observed f93a12cf2d1587ee32c97780a598b502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.043351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008799/publication.txt
observed 1cea4839337ae47661ed417cf220b747...
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.