OpenTechnical

OT-2026-000086319

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000086319) never changes.

Identity and time

Publication numberOT-2026-000086319 · never reused
Internal UUID01a0ae9a-2c96-7ab9-9b5a-e4932fca5ebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086319
StatusPUBLIC

Content hashes

Canonical textb408b4ccd6b5c13cdaa3c4bade323a30803d282dfa728d867606d01bf4d42997
Markdowne65393755d3f223d4f00e24ae8add18655b7ced80f874fa5da64d4aca3bdfdab
PDF
Publication pagece50024e3fc3cb8160ce886db10adb18b15a8bed845261598691f889b8cca874
Manifest247633f204023c5e45288cd505f0ad02010d9d42ee43709d622ddad83f3c90f4

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
SignatureOUusjqJcVRQgCwujbTeLiuaPnkr1zqIEhr5KEiDV9Aj2VuzG8fG93yxPeZKC2Ech5+m8Pqj8nUmv/wOF/qCCDQ==
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

2026-09-17T09:52:00.342406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086319
observed ce50024e3fc3cb8160ce886db10adb18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.324860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086319/manifest.json
observed 247633f204023c5e45288cd505f0ad02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.306506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086319/publication.md
observed e65393755d3f223d4f00e24ae8add186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:00.287255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086319/publication.txt
observed b408b4ccd6b5c13cdaa3c4bade323a30...
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.