OpenTechnical

OT-2026-000014850

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000014850) never changes.

Identity and time

Publication numberOT-2026-000014850 · never reused
Internal UUID01a0ae6d-d094-7b6f-853d-2ac6468202ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014850
StatusPUBLIC

Content hashes

Canonical texta2ec0bf7ddf20a91df0c7d26b9ee236a1f37704a2f8db3d7c7568c4eefa3f4e9
Markdowna3b1a5c4347b67321866ca7e5ac4c1bb2be0d4b0a442866aa50665f9236aa931
PDF
Publication paged0f621f110dcaa560c6f643d16c0d2d5b90daff632277b25b18ca86fe604a86e
Manifestc1f6e75a2abf636e439855a1b26da24e66559e389d1c7638b683a3f6d237d0a9

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
SignatureCD9ego3+bR4XqIlvP9Y2EwDn/EgJ0xGnV+26YfovLZQel4d5x28giyoZrQTH0l9zVz7+2leidNat/EJCzqz9Dg==
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

2026-10-16T08:42:00.787708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850
observed d0f621f110dcaa560c6f643d16c0d2d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T08:42:00.706400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850/manifest.json
observed c1f6e75a2abf636e439855a1b26da24e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T08:42:00.634904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850/publication.md
observed a3b1a5c4347b67321866ca7e5ac4c1bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T08:42:00.492503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850/publication.txt
observed a2ec0bf7ddf20a91df0c7d26b9ee236a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T00:41:28.938769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850
observed d0f621f110dcaa560c6f643d16c0d2d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T00:41:28.857941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850/manifest.json
observed c1f6e75a2abf636e439855a1b26da24e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T00:41:28.778065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850/publication.md
observed a3b1a5c4347b67321866ca7e5ac4c1bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T00:41:28.589187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014850/publication.txt
observed a2ec0bf7ddf20a91df0c7d26b9ee236a...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent