OpenTechnical

OT-2026-000070231

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line 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-2026-000070231) never changes.

Identity and time

Publication numberOT-2026-000070231 · never reused
Internal UUID01a0ae91-545e-7484-8620-478a1c0f3380 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070231
StatusPUBLIC

Content hashes

Canonical text741c2cf72e861b6ac06cdc0a6c805ffccf564e90bb2657044f60286acd140d17
Markdown9a04513894fab8dc6d37ba1e2416477f8ec6d45f5b2ce570872d4a22a42af331
PDF
Publication paged63b76d8a38fc35c67700af80e17841af6b12d8c92779f2302bf81d12f2f952f
Manifest01e6476555a5a4e58b06bd8937a195891fd1d64c53cd0d0faf28db09cf3f7775

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
SignatureGmVpltrEdfi6f+FZvTsigomQGvp6soJ7WKg2r+11Hs5T8HP7KeOvNoBlFg3eFv7OzEhQ2xjLcZ1vzLLelRZwCg==
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

2026-09-17T10:26:00.277099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070231
observed d63b76d8a38fc35c67700af80e17841a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.259885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070231/manifest.json
observed 01e6476555a5a4e58b06bd8937a19589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.243453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070231/publication.md
observed 9a04513894fab8dc6d37ba1e2416477f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.227080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070231/publication.txt
observed 741c2cf72e861b6ac06cdc0a6c805ffc...
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.