OpenTechnical

OT-2026-000104516

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000104516) never changes.

Identity and time

Publication numberOT-2026-000104516 · never reused
Internal UUID01a0aea5-3422-7ab8-af66-c6e68f6a66b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104516
StatusPUBLIC

Content hashes

Canonical text49f6601d435af1ab022fa4df69111082fc144dfbdb0aae729db510b61ec6b845
Markdowncd5aca373a65442ea2517703b5ec40c53c3556f428214dea0d715207db8813b5
PDF
Publication page426fa7407c1207620a88b1aac71ec0e0a6ef7f1b561c5bb4f13f7b233fce37a3
Manifest72c6e3f804524701faaa4233d0f79ee8472a9d2e9b229aac458864c914bd4860

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
SignaturefBOSPOzB/WrqZ91To+Htb57msRbvrDpeEwL8dBUGX9s3qZnsaHpKb7ed1+C/I5REwdnkpoDfqsH6urAiw8HgCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:48.690983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104516
observed 426fa7407c1207620a88b1aac71ec0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.672213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104516/manifest.json
observed 72c6e3f804524701faaa4233d0f79ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.653681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104516/publication.md
observed cd5aca373a65442ea2517703b5ec40c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.631941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104516/publication.txt
observed 49f6601d435af1ab022fa4df69111082...
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.