OpenTechnical

OT-2026-000074629

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074629) never changes.

Identity and time

Publication numberOT-2026-000074629 · never reused
Internal UUID01a0ae93-ac2a-775b-8fd0-ada8e0922859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074629
StatusPUBLIC

Content hashes

Canonical text1a6cfdb1104c3fadae5b580755f4422b3335eb87508a7c0e8fa4de3cab05fc22
Markdowna928228087311ef365dda3305ca1b79c679647cb3a714fa720a546bfbaaf79ee
PDF
Publication page27e20ff62b6e14a7af66eeaa214df234105b2f29eba2e5c59a7853dd349db14c
Manifest4f1acc8646157d57a63fb4d5162f49e0ab42a1937c117c3745ff87863d611345

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
SignatureP3ny3cxiTPTfpa4HwgHFeJ6DzVkgjpdQjnMopfgxBZgVFfRo7PnfshBKEySMTL9P8UoasA6wZpcsRjAY0cEQBg==
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

2026-09-17T10:18:10.744488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074629
observed 27e20ff62b6e14a7af66eeaa214df234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:10.723313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074629/manifest.json
observed 4f1acc8646157d57a63fb4d5162f49e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:10.703887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074629/publication.md
observed a928228087311ef365dda3305ca1b79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:10.562303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074629/publication.txt
observed 1a6cfdb1104c3fadae5b580755f4422b...
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.