OpenTechnical

OT-2026-000069571

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000069571) never changes.

Identity and time

Publication numberOT-2026-000069571 · never reused
Internal UUID01a0ae90-b52b-7853-ad6e-e06e4c835e78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069571
StatusPUBLIC

Content hashes

Canonical textb66e035180af46e71ae949d2b86256d5ed1c8a2a0d2a0cee62284b650d14777b
Markdown7e685afceaa4d43e2a5750b3c3dc5292aee64cc1260c9d060ac9a7fdc43e8bb5
PDF
Publication page61eaccbe4852660732af29e4327ac9ec08e80a9658add974b265b5cecf4c987b
Manifest6c1eab5f6813e46bdd663840355000898f8d7a508a85206f8779c554b981d031

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
Signatureg8TWdLVNf7Os5prn8Fts0PIe/QVj3GQ8px5wQ34cQMjk9Bto8KNRl4LlHCR0q+1q71AyVgKppg/BmqUSk7I8Ag==
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

2026-09-17T10:30:41.682681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571
observed 61eaccbe4852660732af29e4327ac9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.664788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571/manifest.json
observed 6c1eab5f6813e46bdd66384035500089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.646501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571/publication.md
observed 7e685afceaa4d43e2a5750b3c3dc5292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.627854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571/publication.txt
observed b66e035180af46e71ae949d2b86256d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.687702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571
observed 61eaccbe4852660732af29e4327ac9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.671261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571/manifest.json
observed 6c1eab5f6813e46bdd66384035500089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.653707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571/publication.md
observed 7e685afceaa4d43e2a5750b3c3dc5292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.637847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069571/publication.txt
observed b66e035180af46e71ae949d2b86256d5...
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.