OpenTechnical

OT-2026-000040856

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000040856) never changes.

Identity and time

Publication numberOT-2026-000040856 · never reused
Internal UUID01a0ae79-6d10-7301-b497-83279aba0e2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040856
StatusPUBLIC

Content hashes

Canonical textb6b3ee1ccc7aa87bd8484bc273944485d7255486a846ee57414717685b057dbe
Markdown3d20f169a2286c55b721c3e87d1ba8bc607dd3ec2150383c225f7b3be9414c6b
PDF
Publication pagef1ce6e1456af7e60a0ce09aba663298279110bd31079d8f0724d09ee62d2d709
Manifest14ac3701c7e9f336a5a430ba7652dfde615768e1929532c99daf99e9d48779a0

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
SignatureVwmnwJq59J6xYYMvR9G728NcL2leHybeLtijoiMxo9BQImDfXbXWosKiJfcGcZ717MflLo/A43qlM991uNq2CA==
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

2026-09-17T20:41:20.194478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856
observed f1ce6e1456af7e60a0ce09aba6632982...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:19.611050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856/manifest.json
observed 14ac3701c7e9f336a5a430ba7652dfde...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:19.263933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856/publication.md
observed 3d20f169a2286c55b721c3e87d1ba8bc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:19.106084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856/publication.txt
observed b6b3ee1ccc7aa87bd8484bc273944485...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.662280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856
observed f1ce6e1456af7e60a0ce09aba6632982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.645755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856/manifest.json
observed 14ac3701c7e9f336a5a430ba7652dfde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.628788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856/publication.md
observed 3d20f169a2286c55b721c3e87d1ba8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.611581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040856/publication.txt
observed b6b3ee1ccc7aa87bd8484bc273944485...
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

Custody packagePending Custody packages are produced weekly.