OpenTechnical

OT-2026-000017422

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000017422) never changes.

Identity and time

Publication numberOT-2026-000017422 · never reused
Internal UUID01a0ae6e-76c9-7415-a83a-6b34fa0a944b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017422
StatusPUBLIC

Content hashes

Canonical texte0c98fd33b7fccb6d242d5c9dcc4bec4309740fea2247ad1b489891aa2bb98f1
Markdownd81b6677a3fd418c7438987033b4a0f443c41901e1c8898db3963e945b1c1ce0
PDF
Publication pagee079e62ca5a4b5b878f83b914b42b16521879fcaeb33e31afb305bf14dfffeed
Manifestf716dad4dfdd1e5ec32f4c0b4c90202639587732939ea65f9a54ad4cc3407974

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
SignatureZ2CJeJN2a38I9KafwODd+08Dvb+XT7CeN3HKe+BbrPvGMxzKd1K0DW3E/5ygjg7tkM+K+0B4R+VtmQQDNWObDA==
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

2026-09-17T12:02:33.103190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017422
observed e079e62ca5a4b5b878f83b914b42b165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.086784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017422/manifest.json
observed f716dad4dfdd1e5ec32f4c0b4c902026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.070855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017422/publication.md
observed d81b6677a3fd418c7438987033b4a0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.053970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017422/publication.txt
observed e0c98fd33b7fccb6d242d5c9dcc4bec4...
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.