OpenTechnical

OT-2026-000070503

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000070503) never changes.

Identity and time

Publication numberOT-2026-000070503 · never reused
Internal UUID01a0ae91-5460-7923-b2e7-777341566637 · 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-2026-000070503
StatusPUBLIC

Content hashes

Canonical text6f0ae53e9461072235f1fcae96d890c2f4bd57db4e5349a4fcd2080f088fe622
Markdown59fbac54bfa2c72b92b1489406224998ca7f247d3d555e019b8235e799c8eb25
PDF
Publication paged45ade96b4e5670aca1bd4fa529d6a4e90e7a114018d0db8fa0ac2e9d6b21d46
Manifestfca9427e3d5f6822ddc0f9ec4519f12135925b4a3bd12ec2f6865680752bf1a5

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
SignatureT+HDJBc9nv96ro4NtAuDitm0n8BY21KyuowrlKmIE/+SGAlXrLrFMpXFe0oUUyH9RDeh1w+4dDc2H9br6a+mCg==
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

2026-09-17T10:26:20.410407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070503
observed d45ade96b4e5670aca1bd4fa529d6a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.392382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070503/manifest.json
observed fca9427e3d5f6822ddc0f9ec4519f121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.374105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070503/publication.md
observed 59fbac54bfa2c72b92b1489406224998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.355727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070503/publication.txt
observed 6f0ae53e9461072235f1fcae96d890c2...
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.