OpenTechnical

OT-2026-000034888

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000034888) never changes.

Identity and time

Publication numberOT-2026-000034888 · never reused
Internal UUID01a0ae76-1ed3-7ae8-bbc8-f14ffde82883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034888
StatusPUBLIC

Content hashes

Canonical text7dc5463258f5c027eee0a2dbe1e0f7eb458b396f1e085fc9eed19b84779e6934
Markdown0f85af809b5d98018913a1aef615b319e66e6a0e7b43da7a2b7e4ff6701a56a9
PDF
Publication page1744d56f72239750898dc8c6af3b641b19c1db0495b1f7344d0bc4b137488da3
Manifest26f7fbf3008ca05f72fe451231d717d9f5b2e21a7413d86492739a148178f021

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
SignaturemsOCDAfIQWVvKa3PSBxGufXZXDFHnpNRjr0QGrgaG7e99VGE0s+s2El2+qn94wtHoQNkuliU/5aSiE3hPR7OBw==
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

2026-09-17T11:30:32.734805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888
observed 1744d56f72239750898dc8c6af3b641b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.718568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888/manifest.json
observed 26f7fbf3008ca05f72fe451231d717d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.700815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888/publication.md
observed 0f85af809b5d98018913a1aef615b319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.680991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888/publication.txt
observed 7dc5463258f5c027eee0a2dbe1e0f7eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.596691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888
observed 1744d56f72239750898dc8c6af3b641b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.579739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888/manifest.json
observed 26f7fbf3008ca05f72fe451231d717d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.562528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888/publication.md
observed 0f85af809b5d98018913a1aef615b319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.543423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034888/publication.txt
observed 7dc5463258f5c027eee0a2dbe1e0f7eb...
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.