OpenTechnical

OT-2026-000098893

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098893) never changes.

Identity and time

Publication numberOT-2026-000098893 · never reused
Internal UUID01a0aea2-8286-770e-825b-7915a24fae6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098893
StatusPUBLIC

Content hashes

Canonical textb5ac76a46926c0f1ca42c3f82318fd4c46ed4529420233fa254399d207f8d7f5
Markdown2ee6937b6136d4697999c7ce931b62f56785157f439b633ac23d38737bbe34bf
PDF
Publication pagef2d30a296c9a28f31786a5955bd9b8ba6a6fc14dc155cd686ec69e189a3cc9ed
Manifest198149646819d5172d90f5efc74914100771067731fb70f0220c6c0c4a82b380

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
SignatureGyvzkUGAjRvi0X8wJmRVQzqfj88FHJ1+kB0uksC3IlwgeyZLZwgA3YS7W2XbvBwnP2QZhBnr1DqbNhgU3S6QDA==
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

2026-09-17T09:29:56.925200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098893
observed f2d30a296c9a28f31786a5955bd9b8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.907123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098893/manifest.json
observed 198149646819d5172d90f5efc7491410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.888115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098893/publication.md
observed 2ee6937b6136d4697999c7ce931b62f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:56.871524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098893/publication.txt
observed b5ac76a46926c0f1ca42c3f82318fd4c...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent