OpenTechnical

OT-2026-000060625

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000060625) never changes.

Identity and time

Publication numberOT-2026-000060625 · never reused
Internal UUID01a0ae8a-b7cd-73a5-a4b8-00f6b7b423cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060625
StatusPUBLIC

Content hashes

Canonical textb4da081cae5d313f40098ae28ca2ce5ea8a55ad15f4d48c6437081d93b74de15
Markdownd13c94156ffb2f75f41b14233f1ac593e12297c8e34678cc3699f877f4be67f1
PDF
Publication page48be7bd47711e85dbe2dc4db379dab39f27b4596ab2538dd488fb2c166a8b46b
Manifest2ecba962a83faa1bc7c46ec2363d16f6356384be5ab9fffdec9a82c25384fe7e

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
SignatureTiMQ9DYQLdfgFw6x+G5MkLFfSr2u50Hn4HfkgsTJv9msqJYO5eXyxJY7OOuGMVTcK2QEKipWYnsBDWamxiR1BA==
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

2026-09-17T10:43:15.161859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060625
observed 48be7bd47711e85dbe2dc4db379dab39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.145769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060625/manifest.json
observed 2ecba962a83faa1bc7c46ec2363d16f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.129407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060625/publication.md
observed d13c94156ffb2f75f41b14233f1ac593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:15.110185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060625/publication.txt
observed b4da081cae5d313f40098ae28ca2ce5e...
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.