OpenTechnical

OT-2026-000027569

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000027569) never changes.

Identity and time

Publication numberOT-2026-000027569 · never reused
Internal UUID01a0ae72-6999-757b-b408-ffa8ada9637d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027569
StatusPUBLIC

Content hashes

Canonical text7e28de5e25fa79c6f87533f852237f21325e841f52c96ac8223e5d7960c0d7d5
Markdownedb917ec872a1fe3e3b74dd6719b71ee5531a2b01889c07d49f2e3c25fe0a5d4
PDF
Publication pagec2e0b3ff1ac8793a3f6b8814b2b23bb2edc7f6c90c780696a5fad1260c5ce04f
Manifestf78251308c762dfdbabd0bac5dd6c4feb56b7035703e2e063340a3ee6354e33b

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
Signature4KZZwngJszVsN8VkXUd+vFprfFNk/i7fb98uKIDtFjsRfliJXH0utA4ulZD1myu6iLLp7c/hxMdMXqSAuZz6Ag==
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

2026-10-29T04:41:45.679017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569
observed c2e0b3ff1ac8793a3f6b8814b2b23bb2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T04:41:45.557048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569/manifest.json
observed f78251308c762dfdbabd0bac5dd6c4fe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T04:41:45.479872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569/publication.md
observed edb917ec872a1fe3e3b74dd6719b71ee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T04:41:45.318214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569/publication.txt
observed 7e28de5e25fa79c6f87533f852237f21...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.655706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569
observed c2e0b3ff1ac8793a3f6b8814b2b23bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.639781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569/manifest.json
observed f78251308c762dfdbabd0bac5dd6c4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.623804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569/publication.md
observed edb917ec872a1fe3e3b74dd6719b71ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:03.607101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027569/publication.txt
observed 7e28de5e25fa79c6f87533f852237f21...
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