OpenTechnical

OT-2026-000009443

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000009443) never changes.

Identity and time

Publication numberOT-2026-000009443 · never reused
Internal UUID01a0ae6b-7562-7f92-a15b-cf4ac36b6b4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009443
StatusPUBLIC

Content hashes

Canonical text12d1d83f0dc4e1e72d6dc7758c95edfdd45bbe95e02958d41d43aff576081bc0
Markdown1ead00a7fac1410b3916e1f1cd71da84c81fe7ea09ef224daf3307074b940ea5
PDF
Publication pagea5e52555a242678c98f34e8a1b317d6d507cfde921e8e793b37391812a273797
Manifest0de087b96e24f1c1c51d4c159ac9339cc6c0891b8a1c15ad1d8c1272a35eb851

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
SignatureL6S62rKhVm860g4zqq/hPhZnDvL/wvZ3UCB498EBvmt+m2lsbE9SZxNHP7yqIZmIhAH1OR90FR/8GYvIqLKdBQ==
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

2026-09-17T12:16:44.167921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009443
observed a5e52555a242678c98f34e8a1b317d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.149905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009443/manifest.json
observed 0de087b96e24f1c1c51d4c159ac9339c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.133755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009443/publication.md
observed 1ead00a7fac1410b3916e1f1cd71da84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:44.116632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009443/publication.txt
observed 12d1d83f0dc4e1e72d6dc7758c95edfd...
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.