OpenTechnical

OT-2026-000079557

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000079557) never changes.

Identity and time

Publication numberOT-2026-000079557 · never reused
Internal UUID01a0ae96-0b92-788d-8b58-4c239af3cff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079557
StatusPUBLIC

Content hashes

Canonical text8d0c31fcdc7bf7a82ba8e2ca44074c3311e1030f3960f0391dbe7ef7ccee41a1
Markdown2ff3122e696c17f0121ae6c67b31e3340d127ca425dfd727e08f15c4c6fcba3c
PDF
Publication page792e14ddffaff9d2da6f0a2e3d01487cea5c936bb3e8ace106adf85ed68c10bf
Manifest1d87a0b468c71382d7586cb35e7ee6a235daaaf9dfdfe432f41373b57828202f

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
SignatureCoVAci4DCs99AP0uVnobHWaWgjI/GK8FCYOLWrPJtJdG1atmbr4PMHnWrCvC+k9ADR1ZDUv3uhtAXAoC3R/LBA==
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

2026-09-17T10:05:12.418659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079557
observed 792e14ddffaff9d2da6f0a2e3d01487c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.400534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079557/manifest.json
observed 1d87a0b468c71382d7586cb35e7ee6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.383103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079557/publication.md
observed 2ff3122e696c17f0121ae6c67b31e334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.365408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079557/publication.txt
observed 8d0c31fcdc7bf7a82ba8e2ca44074c33...
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.