OpenTechnical

OT-2026-000071979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000071979) never changes.

Identity and time

Publication numberOT-2026-000071979 · never reused
Internal UUID01a0ae92-47c0-7495-b668-9e521cff7625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071979
StatusPUBLIC

Content hashes

Canonical textb81991dea46cb33a4205d7f45115f2c23495caabb9651bfb9d891627635584dd
Markdown1ce70b653fdeaeced8c327b15de93e9a84ef9dde5a2d70be07d9927c3483859c
PDF
Publication page3c4ff66251b5453467a308a9440272ff4cc26b3f3b2315fd282469182ce9464a
Manifestdc7cc730025fc2a819b6556311f63ab088c37b15d7c7f4edd2ccf8bd5ec677c8

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
Signatures2NDNVZWrepBUnaJq2MfkR8Nf3PcYjCSDgCp6cL2gjw+DRzbcVdlaMpwyr+0+Stfp/K7hsKC9GzdqgPjCp8wDA==
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

2026-09-17T10:23:01.799099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071979
observed 3c4ff66251b5453467a308a9440272ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.782526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071979/manifest.json
observed dc7cc730025fc2a819b6556311f63ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.766258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071979/publication.md
observed 1ce70b653fdeaeced8c327b15de93e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.747363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071979/publication.txt
observed b81991dea46cb33a4205d7f45115f2c2...
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.