OpenTechnical

OT-2026-000086219

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, sustained 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-2026-000086219) never changes.

Identity and time

Publication numberOT-2026-000086219 · never reused
Internal UUID01a0ae99-e82c-7151-97fb-d678aec4453b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086219
StatusPUBLIC

Content hashes

Canonical text2b5a77729a398de668d616661c92e2541c9bf4aea4b7dc76600b3ce35f4661ed
Markdown1f4acef6665a869546b0162208e3c460ccca62fbaf19b6cead748852fa0d5396
PDF
Publication paged9d319fb4db41e76d72ba40a30eb87d5ed4b49bc9a4dd1ffd9a6f6579e80863f
Manifestda65d012b768810341a76fddd58cd955616237dcd28cb9db9d74aa46c8275f5c

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
SignaturenPxtgbKlMBOQCOcIWpbkzIS26V1hzBpP/ARM+dnDutzPJ2d4UbPYyWAGfooE6rFm3vDxGFo+Dr3QmzuKirXTBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:54.221345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086219
observed d9d319fb4db41e76d72ba40a30eb87d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.202550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086219/manifest.json
observed da65d012b768810341a76fddd58cd955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.184805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086219/publication.md
observed 1f4acef6665a869546b0162208e3c460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.167129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086219/publication.txt
observed 2b5a77729a398de668d616661c92e254...
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.