OpenTechnical

OT-2026-000012986

Publication integrity record

Foam pad vacuum gripper, 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-2026-000012986) never changes.

Identity and time

Publication numberOT-2026-000012986 · never reused
Internal UUID01a0ae6d-5564-73cc-8f47-1d8995331487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012986
StatusPUBLIC

Content hashes

Canonical texta63ee3c872bcb2f21884ef3cad68bafe6fccd9481de8ef867afb7cfcf31c78d2
Markdownccc027ba1733ac9170c67fcfee68fa1e8e8fce32b4a36ca7551426237d8ed354
PDF
Publication page0b6c2e320185759bba8856ac3e737e156a3f5f154f3c1b20c4971b41d55714b6
Manifest509dbe3b435b36616787c95154be390c0698a83a961d8cb42f64d819578cb88b

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
SignaturerUi/tKu3bmH7lmcZUqEf50NLhWBFmIBHsXcwQUANyeiwW2YCnsjl1XsMvdodID/bgZlk5iJFwPgcrYLyDDzoBg==
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

2026-10-11T04:41:54.283843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986
observed 0b6c2e320185759bba8856ac3e737e15...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:54.207806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986/manifest.json
observed 509dbe3b435b36616787c95154be390c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:54.125505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986/publication.md
observed ccc027ba1733ac9170c67fcfee68fa1e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:54.029957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986/publication.txt
observed a63ee3c872bcb2f21884ef3cad68bafe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:23:28.083908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986
observed 0b6c2e320185759bba8856ac3e737e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-11T04:23:28.067201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986/manifest.json
observed 509dbe3b435b36616787c95154be390c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-11T04:23:28.044351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986/publication.md
observed ccc027ba1733ac9170c67fcfee68fa1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-11T04:23:28.021631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012986/publication.txt
observed a63ee3c872bcb2f21884ef3cad68bafe...
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

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