OpenTechnical

OT-2026-000012603

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pulsed blow-off before set-down

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-2026-000012603) never changes.

Identity and time

Publication numberOT-2026-000012603 · never reused
Internal UUID01a0ae6d-39f8-76e0-9170-3a87996e0d0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012603
StatusPUBLIC

Content hashes

Canonical textcd47786a6141dd304dc8d7e43fc0f300cae968ac28d5d793d2aa79fb880fba9c
Markdowne8206668c646bb09e533e0d53efc57056475580d6c411a2b07b7a4474dc8da45
PDF
Publication page95e36fe86a8c68fa3295cdbd7db13b483f4b6c47d28c0039541ab69658b1e7e9
Manifestd72c86594cab5a22561703a302d6d4e1ea3ab1db94e96940f2b950d4d8ada616

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
SignatureF6/tdn4mnAwHmVuHvxyYiQzb8OAiKBDU0IxCJ6rtWQxNNLjZiiKwXkSdxyyqFCzgOEQB+SLKYe/R1GTpfMU5CQ==
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

2026-09-17T12:12:09.796623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012603
observed 95e36fe86a8c68fa3295cdbd7db13b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.780074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012603/manifest.json
observed d72c86594cab5a22561703a302d6d4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.761415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012603/publication.md
observed e8206668c646bb09e533e0d53efc5705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.744501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012603/publication.txt
observed cd47786a6141dd304dc8d7e43fc0f300...
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.