OpenTechnical

OT-2026-000045744

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000045744) never changes.

Identity and time

Publication numberOT-2026-000045744 · never reused
Internal UUID01a0ae7d-8f04-700e-b6ac-c560399a4b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045744
StatusPUBLIC

Content hashes

Canonical textb717d77f96c00cf79ab9bb0343fb7af48a1fe291cd1d9c21c6a2ea9c0bf56b10
Markdown977a8e297e241c495704818156f9ff91bbee3b26274d280718d943cd17035b00
PDF
Publication page5ca6df77322452c8053b8d806c2293bdf882d6200c6c11efe53cf00cd58c39b4
Manifest8b956d1a9f3d84b0eddf99aa83815f4c872b21e7c179c2d090425a0f5f6fe76c

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
SignatureEHg9F7CvjR4noDTZu71bYHcldskdwMro7fe886jWnWcCOha1bz4BilH1OeFisqvNYvXIjPBkY+je3NY8Mx0cDA==
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

2026-09-17T11:09:33.897455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045744
observed 5ca6df77322452c8053b8d806c2293bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.877633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045744/manifest.json
observed 8b956d1a9f3d84b0eddf99aa83815f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.844351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045744/publication.md
observed 977a8e297e241c495704818156f9ff91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.814013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045744/publication.txt
observed b717d77f96c00cf79ab9bb0343fb7af4...
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.