OpenTechnical

OT-2026-000086492

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000086492) never changes.

Identity and time

Publication numberOT-2026-000086492 · never reused
Internal UUID01a0ae9a-2c97-7701-ab32-de2c4b4dd3ca · 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-2026-000086492
StatusPUBLIC

Content hashes

Canonical text1b0e613b6b9e2d37eac6c45e0217d874e13cb99a41d0465e273578f62698e6a4
Markdown2d83c589d2b57c5026f83ecf764c48451830f0ff050373866f8699fec80cc9db
PDF
Publication page8646221a2632145e44909c26b77f66404b0d8aed0e92de208c21fc64136bb056
Manifestac43bbb2021d695a6a9a3192262366f0ec613fb1cfb155e4639e5eb8d1850dda

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
Signature+t6Et7RFNVLpHavUOKxhtyQLI9ydRCNEREZmgTLTzEnGgf7c1xdO1hcJWhpIVMJ7N5JUbKauddjaRcEcXIZSBA==
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

2026-09-17T09:52:18.396776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086492
observed 8646221a2632145e44909c26b77f6640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.379832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086492/manifest.json
observed ac43bbb2021d695a6a9a3192262366f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.361528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086492/publication.md
observed 2d83c589d2b57c5026f83ecf764c4845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.344467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086492/publication.txt
observed 1b0e613b6b9e2d37eac6c45e0217d874...
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.