OpenTechnical

OT-2026-000010581

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000010581) never changes.

Identity and time

Publication numberOT-2026-000010581 · never reused
Internal UUID01a0ae6c-0ee7-715e-a170-60055248c55b · 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-2026-000010581
StatusPUBLIC

Content hashes

Canonical text01594db6d49ddd8f86c643f0c94b91ae15ea01f7aacd36eab8bda6559f0239c3
Markdownf824c0e948b2396945d8c5513c35c057109eb81c35874a72c0dd2ae4406b9875
PDF
Publication pageeefb7c59bea09e5b4499eb0fa8d71e9c87f068250a44d042605cbcc2cfe25122
Manifest6aee8e7d39b1dbb55fb380d78c6e7d5c10b840b8a1f3dfb7621a9555aeaa1841

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
SignatureI4UdN0grn5tOym28TYzdRhdJZUxDA4SnAQXtNioKY4pKh/nx5WaBFpGGuTDWm/HodgtCu0CWIV0kMTYovIAJBQ==
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

2026-09-17T12:14:45.585910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010581
observed eefb7c59bea09e5b4499eb0fa8d71e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:45.565745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010581/manifest.json
observed 6aee8e7d39b1dbb55fb380d78c6e7d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:45.544273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010581/publication.md
observed f824c0e948b2396945d8c5513c35c057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:45.523137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010581/publication.txt
observed 01594db6d49ddd8f86c643f0c94b91ae...
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.