OpenTechnical

OT-2026-000070716

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000070716) never changes.

Identity and time

Publication numberOT-2026-000070716 · never reused
Internal UUID01a0ae91-8c2c-785e-93bf-a10dee022b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070716
StatusPUBLIC

Content hashes

Canonical text85d63908f4624be7bc0e786e48121e76e2d9e8e9b7143a78a46dfcaa823e60b5
Markdowna157e15d36128756778a3cd18fc28c4081b8d522e786333189ba9eebf0155778
PDF
Publication pagebce926b07cef658f6a1ca493dfcbb2c566601aac323270a3c5f8305f61021cea
Manifestfbc3cfffd55e072a451411cf927962bf26d5d09f0fb1d191c6bc187a38c089d5

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
SignatureVBS1BahX5t2iQhhjY/AlxjGYZn0tAlmXZ9Y/L0x+WRgY4gUX3EXc15tXlzuWAWFY7N+jcJXEDvjMjKkTOBKuAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T20:43:30.713879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716
observed bce926b07cef658f6a1ca493dfcbb2c5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:30.368504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716/manifest.json
observed fbc3cfffd55e072a451411cf927962bf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:30.175659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716/publication.md
observed a157e15d36128756778a3cd18fc28c40...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:29.896884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716/publication.txt
observed 85d63908f4624be7bc0e786e48121e76...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.379837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716
observed bce926b07cef658f6a1ca493dfcbb2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.361677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716/manifest.json
observed fbc3cfffd55e072a451411cf927962bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.345230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716/publication.md
observed a157e15d36128756778a3cd18fc28c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.328238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070716/publication.txt
observed 85d63908f4624be7bc0e786e48121e76...
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.