OpenTechnical

OT-2026-000076101

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076101) never changes.

Identity and time

Publication numberOT-2026-000076101 · never reused
Internal UUID01a0ae94-6a6e-7b10-8be9-67d06f06b9b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076101
StatusPUBLIC

Content hashes

Canonical texteeb5ece774f7354fa76e3f1e48cc8d0077222d1b12df2d0efbb6c3332096192b
Markdowna1047115794e5fc41746726fe373f9558afad5e865d797ad511ce9fa85a5b44a
PDF
Publication pagea33c4018482f934e30fd4a7461eeff226d65c414189ecd46ce01c81cd80d5bd4
Manifest853e8985e17cf99cce77e409b4be76be0f1ca3c7ae422a8bb84affd84eedc584

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
Signaturejf9tXwdgSCPGIogoIpxqEwGcrgJ2Y2WyS/SbS2SdK5FRhwyAYBtodsANxvgQqsWCmZWrFSvIajBel/IrfWClAA==
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

2026-09-17T10:10:59.296321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076101
observed a33c4018482f934e30fd4a7461eeff22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:59.276197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076101/manifest.json
observed 853e8985e17cf99cce77e409b4be76be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:59.257900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076101/publication.md
observed a1047115794e5fc41746726fe373f955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:59.238340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076101/publication.txt
observed eeb5ece774f7354fa76e3f1e48cc8d00...
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.