OpenTechnical

OT-2026-000008853

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, vented after set-down

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-2026-000008853) never changes.

Identity and time

Publication numberOT-2026-000008853 · never reused
Internal UUID01a0ae6b-31b7-7039-a907-4adae126c95a · 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-2026-000008853
StatusPUBLIC

Content hashes

Canonical textca7559a8b7ae138426d23076a0e8dce213496ff9bf812bb23304ce9f0ce01046
Markdown225558c67f4422b6d47b65e5000320b27688b8c688f06d7540377353bc796e47
PDF
Publication pagea39a46d1685f972affaea39fd60a1977f167260624d235950c7e25e8190ce7da
Manifest7ce45610e67608dc22b980d1704f9cad2b1ca10e1f475609e98698f36b108270

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
SignatureFvxDr0kUSvsWdjTjMZ6syYNzWA5qTiNfzc43tsFVQWTZ8c8dcT9LpthiI6xVIfWdSLmrhoFABOiT4klya09BDQ==
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

2026-09-17T12:17:26.080563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008853
observed a39a46d1685f972affaea39fd60a1977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.062224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008853/manifest.json
observed 7ce45610e67608dc22b980d1704f9cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.041315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008853/publication.md
observed 225558c67f4422b6d47b65e5000320b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.019025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008853/publication.txt
observed ca7559a8b7ae138426d23076a0e8dce2...
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.