OpenTechnical

OT-2026-000042047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042047) never changes.

Identity and time

Publication numberOT-2026-000042047 · never reused
Internal UUID01a0ae7a-5d70-7124-aaee-48e44ebdda80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042047
StatusPUBLIC

Content hashes

Canonical text17e1643059f1df03abb69ee9c5c5a99c30466fbf5e6b3d037ebfe1cc0402af2d
Markdown13682bf740174ec596d2f5c8d873bda634eb9b6fadb68d740a77a8498ed28ddf
PDF
Publication pageb9f044504040a73d11a8a14bc89289c69aeddab813a27587f34dc3b7fbe1e9d6
Manifest797d5e35e0b09681d82a2658cef8412442483785bdfe1ad2f7616dace00893d9

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
SignatureLc+jb/RLuu+6gL5aBwIuJKVcZpCsnFIDhpaYsfkPce3Cgrs0n/uxrmj3CK6FLsMXgZjLRVr5sZKP5eOie14wCQ==
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

2026-10-23T04:41:55.306562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047
observed b9f044504040a73d11a8a14bc89289c6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T04:41:55.219779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047/manifest.json
observed 797d5e35e0b09681d82a2658cef84124...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T04:41:55.131840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047/publication.md
observed 13682bf740174ec596d2f5c8d873bda6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-23T04:41:55.017706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047/publication.txt
observed 17e1643059f1df03abb69ee9c5c5a99c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:57.178313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047
observed b9f044504040a73d11a8a14bc89289c6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:57.128007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047/manifest.json
observed 797d5e35e0b09681d82a2658cef84124...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:57.060645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047/publication.md
observed 13682bf740174ec596d2f5c8d873bda6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:56.930517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042047/publication.txt
observed 17e1643059f1df03abb69ee9c5c5a99c...
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