OpenTechnical

OT-2026-000077476

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000077476) never changes.

Identity and time

Publication numberOT-2026-000077476 · never reused
Internal UUID01a0ae94-f50a-73bd-a36e-a38cc197bbb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077476
StatusPUBLIC

Content hashes

Canonical texta94ad6d881409c0364fadc354b5eb4cb2b3c3eb872f0120b6bf88ef2c55482ae
Markdowned2dfbb8067f910eeb4397083d7874c8b2b1742adad178ba58fd86aeadbe89b5
PDF
Publication page91dd62e519646dc83637751e5690bd5d7fa2d57b3b43c2c811d89ade5bf9e0fc
Manifestbce6a2a8c808e1b7aa4b5b8756cf709bacb7ea7a9d922c227d7da5bf0736966e

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
Signatureg+nUUAgbvnXXbDosfrDEHaOgRdVNENPGwS0g09g393i89YV34JZT1+c2ED8MguQt0sTyZz7W6zqiWqf4Ix+8Bg==
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

2026-09-17T10:09:09.780615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077476
observed 91dd62e519646dc83637751e5690bd5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.761039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077476/manifest.json
observed bce6a2a8c808e1b7aa4b5b8756cf709b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.743001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077476/publication.md
observed ed2dfbb8067f910eeb4397083d7874c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.722862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077476/publication.txt
observed a94ad6d881409c0364fadc354b5eb4cb...
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.