OpenTechnical

OT-2026-000006518

Publication integrity record

Vacuum cup gripper, three zone face, pump fed, 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-2026-000006518) never changes.

Identity and time

Publication numberOT-2026-000006518 · never reused
Internal UUID01a0a95e-056b-79b4-9bd9-658f2e354e0a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:26.413895Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006518
StatusPUBLIC

Content hashes

Canonical texte012c9dda908cbac3c80ee96f74157e4762dbcdc7b19a070443dd767699a7e6d
Markdownd0526031cdb687e9a36bdcf206c1ec9f88aed310f38443448819b229e8d40dc4
PDF
Publication pageef8a25e9ad75288f341283ccdc763fe4e35c054b2850ff77074cb4998d452464
Manifest2d158c8a7969cf56fc90ee849f81ed5821cca46bc1b899d3881edc1b09cbd67b

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
SignatureaOLshAKEMPJ9V+SkdakJ8czcuktP3Ob/is45cA6LWlUsICJ5lPS/zYt3YGqOGuyVQx0miBfvR5qqVRO8Rl8wCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:08.138443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006518
observed ef8a25e9ad75288f341283ccdc763fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.124425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006518/manifest.json
observed 2d158c8a7969cf56fc90ee849f81ed58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.986716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006518/publication.md
observed d0526031cdb687e9a36bdcf206c1ec9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.969189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006518/publication.txt
observed e012c9dda908cbac3c80ee96f74157e4...
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.