OpenTechnical

OT-2026-000009132

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, vented after 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-2026-000009132) never changes.

Identity and time

Publication numberOT-2026-000009132 · never reused
Internal UUID01a0ae6b-31b9-7a6c-8f74-7c29a7ffbd5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009132
StatusPUBLIC

Content hashes

Canonical text80a8b1a57b0714ac9661afea168fea7a54c69737635edfd27d241f8647286bb2
Markdownecb9cbc32065c36345f94ee021ef370986ef45d36aa4a9009c81cfd47ae011d1
PDF
Publication page9c35a63d4a16077ec379be3edfde960cec08cbfe2eb78d6a6c99e8bb320bc27f
Manifestcf12e8eefa533706ceb324efec6321a654cab6101e92a7c1c3d294fc22d8d1c6

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
Signature7ptbjlrLRIzK5PXyJpF3nv2js+xO5vwFQpldxRav9P8cM0uxxWERysYOxpP5KM4VkTEJCiUEIzZ+wkw7A1qOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:49.528343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009132
observed 9c35a63d4a16077ec379be3edfde960c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.508780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009132/manifest.json
observed cf12e8eefa533706ceb324efec6321a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.485546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009132/publication.md
observed ecb9cbc32065c36345f94ee021ef3709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:49.462530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009132/publication.txt
observed 80a8b1a57b0714ac9661afea168fea7a...
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.