OpenTechnical

OT-2026-000008636

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000008636) never changes.

Identity and time

Publication numberOT-2026-000008636 · never reused
Internal UUID01a0ae6a-e46b-7265-a614-4c96f1fac166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008636
StatusPUBLIC

Content hashes

Canonical texteacde9640aac328bcf360281e358c5323d3889c2c49053247c8997462579d84d
Markdown6058b41adfb541c3dd2d14076af6e5b2abb3fcfcddee6b82120b1f3a77f6dff1
PDF
Publication paged227ae7edd85f8f688c0eaeca2f901ff43c7c9e6d4fe649b69ca8ca6b24da297
Manifest4d3163158fd106bca49f8a107c453be91dc22b48cb9fd391b4b26c5a581f6b17

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
Signature7O50czIkGaqfzCOY59rPWDFqxkmz5wmUAmd0ZWfCr3sJ2V5hvpcbM5OVu9hvQKutXzHx6M8P6Xb3x6hICrUVBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:36.248733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008636
observed d227ae7edd85f8f688c0eaeca2f901ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.230472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008636/manifest.json
observed 4d3163158fd106bca49f8a107c453be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.213165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008636/publication.md
observed 6058b41adfb541c3dd2d14076af6e5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.194453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008636/publication.txt
observed eacde9640aac328bcf360281e358c532...
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.