OpenTechnical

OT-2026-000070385

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000070385) never changes.

Identity and time

Publication numberOT-2026-000070385 · never reused
Internal UUID01a0ae91-545f-700c-bc45-b8c264a898f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070385
StatusPUBLIC

Content hashes

Canonical textb20369ee3dfaab25f2390cb06579a9895ca09127079ef836cb606f4b195eba85
Markdown10408264f4b9c987d59ec60f3d3178596b7ded3742f367cf4c7b5334ef1134c6
PDF
Publication page7e9e5b626fcb94865c53700373a27edb4a481e5378541dd0805cb0b00d15e7ee
Manifest9568e98b4787401599bc74df7216c54bcba6b9c67691edbe9467f6c1f864d579

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
SignatureRlaIAzDalGFpKIrl5+Ffgbpq4zOA566HyvsYWVP1ufE1vW9wId1PEnziYnN65cpVAlmclCN5vLAEaxFBtJS5DQ==
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

2026-09-17T10:26:11.416237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070385
observed 7e9e5b626fcb94865c53700373a27edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.397652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070385/manifest.json
observed 9568e98b4787401599bc74df7216c54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.378289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070385/publication.md
observed 10408264f4b9c987d59ec60f3d317859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.359896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070385/publication.txt
observed b20369ee3dfaab25f2390cb06579a989...
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.