OpenTechnical

OT-2026-000005623

Publication integrity record

Porous face vacuum gripper, two zone face, per zone isolation, two stage ejector, open cell

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-2026-000005623) never changes.

Identity and time

Publication numberOT-2026-000005623 · never reused
Internal UUID01a0a93f-5649-785e-8685-b54697a07ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:55.500597Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005623
StatusPUBLIC

Content hashes

Canonical text09b8d1951ece19c79c57ab0879fb0d031d3ce564da55d3d912f37944b85cee10
Markdown8a1c2a2f5e97861ca5a664089880d828be360c6fcc020ba96e988c89cdd7898b
PDF
Publication page6ae59709e1092869a67228f33409812a449b8dab6c71f7d97ccdf640e36eabeb
Manifest624594efe72a82a9d494fbb5ee773d7f09040c0b73049e0efe7c50c01212ee7c

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
Signature7DVkRmgjvmjf+26Aqzw0+8TblDwhuZ+INR3nSgkMJ6UHWJO4tx8cunU2itgGI/UcZx08MHRGyOtv11gChYtdCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:19.631481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005623
observed 6ae59709e1092869a67228f33409812a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.494749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005623/manifest.json
observed 624594efe72a82a9d494fbb5ee773d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.480438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005623/publication.md
observed 8a1c2a2f5e97861ca5a664089880d828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:19.468259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005623/publication.txt
observed 09b8d1951ece19c79c57ab0879fb0d03...
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