OpenTechnical

OT-2026-000018756

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000018756) never changes.

Identity and time

Publication numberOT-2026-000018756 · never reused
Internal UUID01a0ae6e-d521-7f65-ace0-4333a2bd07b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018756
StatusPUBLIC

Content hashes

Canonical textc8e5793bb2292f44e185ae262d8fa87310f953d8aed426484351c23750596209
Markdown3caad3932bc4f1925f1d256ef1a1f656ec2ac8097705143fc3cf042f040b5d9f
PDF
Publication pageaa2754321844ba714f696e2072c81605f9dd4cd0bdd47a78e711352f0c01cf95
Manifestdd0a30c7eaa58459d0b70c81e1fb6aef1fcbdf2e58fe59f34bde82e2b138a5f5

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
SignatureUaN7OrpL1agFgeub7oy+TLJ3rEVTbL7xEAI2BSNbV7OAifCB/MinJvVAwoKrDPwiqp2SUw6Nv00irIpKgMiWCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:22.367695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018756
observed aa2754321844ba714f696e2072c81605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.349617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018756/manifest.json
observed dd0a30c7eaa58459d0b70c81e1fb6aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.331703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018756/publication.md
observed 3caad3932bc4f1925f1d256ef1a1f656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.313014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018756/publication.txt
observed c8e5793bb2292f44e185ae262d8fa873...
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.