OpenTechnical

OT-2026-000061331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000061331) never changes.

Identity and time

Publication numberOT-2026-000061331 · never reused
Internal UUID01a0ae8b-1384-7464-b57a-93f20ca3a640 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061331
StatusPUBLIC

Content hashes

Canonical textc287346ff54ad0b5be26d83c680a1ffa86f0a531552e2842dd07b519ba5668b5
Markdown79e7218b1ccf32700441d0c0a8a9ae11cb39dcd1663700425e70bbce010e2d2d
PDF
Publication pageb9c8908c331c43fa75b701f9b31dbb6d31580a4858b968c91b9de1e07a28d719
Manifesteec84a47976b04fbd843dda710729b01da8b2910b43188a08c6444ba1e7138ac

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
SignatureS6yG/FcJ60ESpFWxJdeyvxYVLwPakNti60ZWpHEPWIRT5sDl/8BzkzgfT82hPtpRKoCva7tCOMrd5ubKNX+FDQ==
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

2026-09-17T10:42:46.163845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061331
observed b9c8908c331c43fa75b701f9b31dbb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.147398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061331/manifest.json
observed eec84a47976b04fbd843dda710729b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.129828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061331/publication.md
observed 79e7218b1ccf32700441d0c0a8a9ae11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:46.110932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061331/publication.txt
observed c287346ff54ad0b5be26d83c680a1ffa...
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.