OpenTechnical

OT-2026-000099974

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000099974) never changes.

Identity and time

Publication numberOT-2026-000099974 · never reused
Internal UUID01a0aea3-1474-7034-bb71-c215212cefdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099974
StatusPUBLIC

Content hashes

Canonical textb34a497763a0cd3ca990952b1033479956ea68274be212dfd9e9cc81aa597d28
Markdownad4848ce52d8e3664734334bb1ed911fd2d004d591d91b1b926df8c0d1943858
PDF
Publication page421fd241001a623eb8d6a40bbe59ff3ed34350c8e23c261a37eb2810fb85f2cf
Manifest81e39eec1dc1fb1a9efbda90cd3bf114c5bcab4ad716dc7e8ba911756a6da3de

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
SignatureQYYL7uuK6wFwDrxghZR40lfnatZmxYzPYG0vT7p7kc+oWspiQgBEFS6CZk+/0kj6tnNOQ7l7luQ9gmQVr5RNCQ==
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

2026-09-17T09:30:40.430892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974
observed 421fd241001a623eb8d6a40bbe59ff3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.411709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974/manifest.json
observed 81e39eec1dc1fb1a9efbda90cd3bf114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.392829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974/publication.md
observed ad4848ce52d8e3664734334bb1ed911f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.372729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974/publication.txt
observed b34a497763a0cd3ca990952b10334799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.785466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974
observed 421fd241001a623eb8d6a40bbe59ff3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.767805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974/manifest.json
observed 81e39eec1dc1fb1a9efbda90cd3bf114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.748635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974/publication.md
observed ad4848ce52d8e3664734334bb1ed911f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.731159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099974/publication.txt
observed b34a497763a0cd3ca990952b10334799...
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.