OpenTechnical

OT-2026-000099644

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000099644) never changes.

Identity and time

Publication numberOT-2026-000099644 · never reused
Internal UUID01a0aea2-c976-704c-a8cc-1266ecd83977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099644
StatusPUBLIC

Content hashes

Canonical textd0b2bfed04b0f19a4ddb6d79b86080981d26757cf17b527a9e506f450d3a24cd
Markdownc640bf88b2ea87b635fc11a466e488fc636a366d600951e528162c2d77c14d69
PDF
Publication page8d06850d2cf50c2c62e0a9eef88fb0a7f5af0ef5901f993c9b7bb487870476c5
Manifest9f1d0dcc0b3003d7ea9ec112bfe75d1af2b2aa358e2c73a758d21bf187e6db82

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
SignatureABYpC99e8Ti+EKiIOpGh9fly0iIv5lrAuI7DmFzjA0r6NDxRJZsfKz1eAylxHznewt3puwxs6+jRslI8gsPVCg==
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

2026-09-17T09:29:34.988629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099644
observed 8d06850d2cf50c2c62e0a9eef88fb0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.970535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099644/manifest.json
observed 9f1d0dcc0b3003d7ea9ec112bfe75d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.953655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099644/publication.md
observed c640bf88b2ea87b635fc11a466e488fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.936634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099644/publication.txt
observed d0b2bfed04b0f19a4ddb6d79b8608098...
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.