OpenTechnical

OT-2026-000045655

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000045655) never changes.

Identity and time

Publication numberOT-2026-000045655 · never reused
Internal UUID01a0ae7d-8f03-72a5-938a-9cd40358bc59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045655
StatusPUBLIC

Content hashes

Canonical textd64581bbe6beef0b512d98f7bc2203938eb4b7f6696012a5ed9599fdb26319d8
Markdown34e69f803a908c70d0a8a98ecf80b58d48318670441cc33ff322c992221ebe54
PDF
Publication pagef7cf31391ff580e3a82b4741dd08745516ed13577ecdeb0abf4a968e86040718
Manifest94a66b59489113828addeae5c0ebc51c7564df5ca0006e038f716ad2c39bdf3f

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
SignaturesdFu2E8EKDFJXE2+bWU7xy5B1GP7P751OZlaiZh5ynQAP9W5FoCE7H6QAR+ZzACMm7kOyqoqr3Gn+mYrRfmFCg==
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

2026-10-21T20:41:45.136581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655
observed f7cf31391ff580e3a82b4741dd087455...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T20:41:45.055410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655/manifest.json
observed 94a66b59489113828addeae5c0ebc51c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T20:41:44.950038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655/publication.md
observed 34e69f803a908c70d0a8a98ecf80b58d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-21T20:41:44.743633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655/publication.txt
observed d64581bbe6beef0b512d98f7bc220393...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:23:33.300881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655
observed f7cf31391ff580e3a82b4741dd087455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:33.285222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655/manifest.json
observed 94a66b59489113828addeae5c0ebc51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:33.269010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655/publication.md
observed 34e69f803a908c70d0a8a98ecf80b58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-20T04:23:33.145706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045655/publication.txt
observed d64581bbe6beef0b512d98f7bc220393...
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