OpenTechnical

OT-2026-000061583

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000061583) never changes.

Identity and time

Publication numberOT-2026-000061583 · never reused
Internal UUID01a0ae8b-7b45-7286-97fc-801c55a23784 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061583
StatusPUBLIC

Content hashes

Canonical textd04674cb8a3fff7bcda5245fa373ee22ef3555af081f372caf0dfefd6967e87b
Markdownff6425ab54c39a482a9f82b3d045acc37efffc93ec70b5a7c60ba518c9634d97
PDF
Publication page80fff978314f5dfc0c120732a248d34d06ebf077cb88fb72d0edff77dc18a881
Manifest2fe853c85bfdcf92057ec217b93dcff7072272dfcf2156fe9a5b54b4a968749d

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
Signature8ZR2OoEEGYQSKE3NsOwQID1pCogXrcFWOeiUoQ2OdoH+OllqrMPbGbGEAoFnfWZ/0D4MfrDT6AMhMKKss/PGCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:30.255208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061583
observed 80fff978314f5dfc0c120732a248d34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.236665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061583/manifest.json
observed 2fe853c85bfdcf92057ec217b93dcff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.218632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061583/publication.md
observed ff6425ab54c39a482a9f82b3d045acc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.201490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061583/publication.txt
observed d04674cb8a3fff7bcda5245fa373ee22...
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.