OpenTechnical

OT-2026-000101167

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101167) never changes.

Identity and time

Publication numberOT-2026-000101167 · never reused
Internal UUID01a0aea3-c378-7708-8aa4-65c234edbc6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101167
StatusPUBLIC

Content hashes

Canonical text8e62918a322f499db979ca025ec06adc9ae39bc47d6be7964a77250d15a852cc
Markdown1ffa6aff24e7b7f25e3521d9c94b671abaa3bd607fdfda1db1ded1e10aaf4d00
PDF
Publication pagedf3fbb818c012db817411cdba1602fed5788d5b3df9348dca702f2cbefcba861
Manifestc2e61ca915286b37a5d12833e2fed5e8e96875a577390137eb078bf84edaa52d

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
SignatureD7KCzSTEv00Y9NsekF+wmqFk1bn0wkAt4z63hxLKZZzHqJoDXpQpIWoyPd5hCB3kATR2zrCLolGhHHkou6gXCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:48.522351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101167
observed df3fbb818c012db817411cdba1602fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.503352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101167/manifest.json
observed c2e61ca915286b37a5d12833e2fed5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.485411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101167/publication.md
observed 1ffa6aff24e7b7f25e3521d9c94b671a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.467206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101167/publication.txt
observed 8e62918a322f499db979ca025ec06adc...
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.