OpenTechnical

OT-2026-000075875

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000075875) never changes.

Identity and time

Publication numberOT-2026-000075875 · never reused
Internal UUID01a0ae94-29ff-70fa-a30e-51848b44b060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075875
StatusPUBLIC

Content hashes

Canonical textd8d828b722f7a4ccd4877cd91a7a24e00786870380cb195ea476c8bfc94d1f8c
Markdown45d7eaa1f0a0f14e3df7e18b641a9b6af704eeff9076244d393596aac8029f86
PDF
Publication page0b62d54055e8866f6f87ab1aa9d51facd6826428ed7977848a3b6da52ff470d3
Manifest8b9832b41d9ecec8c2c2f0aa9c6bf35986f72b850c224115a926cd82d6d055e6

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
SignatureuhPqJ7ZhyCLKU/cVsiTT44m8Z4oFYi8QdJ7MZ9Ma7CIy10Bqi78ldJ0MK27ozBtPztQkmSx/INXrz0IRyyStCw==
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

2026-09-17T10:14:38.473087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075875
observed 0b62d54055e8866f6f87ab1aa9d51fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.454774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075875/manifest.json
observed 8b9832b41d9ecec8c2c2f0aa9c6bf359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.313240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075875/publication.md
observed 45d7eaa1f0a0f14e3df7e18b641a9b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.295114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075875/publication.txt
observed d8d828b722f7a4ccd4877cd91a7a24e0...
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.