OpenTechnical

OT-2026-000045371

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, 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-2026-000045371) never changes.

Identity and time

Publication numberOT-2026-000045371 · never reused
Internal UUID01a0ae7c-f76b-74a4-83f6-b740c57422eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045371
StatusPUBLIC

Content hashes

Canonical text8aa1327c55194d5f2f2eac05dbf3e9346c70717502d0ebd9401c698f024020e8
Markdown5ba81b799631e2ff165264e21e08c19324be8d2189abe92fb947bd185390fd3f
PDF
Publication page7fdc7fe6811d751af3dc983483aba1d653646135ff01a5053574b964cbfb03d4
Manifest9ad19c7053c976b52d29d2bdaf2dff26b849858056741dd550068c2056fa3a19

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
SignatureQO8tQl3DnlMJ+ZBl5U5bE7zBlFnl2tVJ7Ejfb2dOzckQcmlKrRGwOKCba/bZVDx+wr5oTtTexDbc0htrwIfhDg==
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

2026-09-17T11:10:38.850818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045371
observed 7fdc7fe6811d751af3dc983483aba1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.831842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045371/manifest.json
observed 9ad19c7053c976b52d29d2bdaf2dff26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.812468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045371/publication.md
observed 5ba81b799631e2ff165264e21e08c193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:38.794962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045371/publication.txt
observed 8aa1327c55194d5f2f2eac05dbf3e934...
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.