OpenTechnical

OT-2026-000070547

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000070547) never changes.

Identity and time

Publication numberOT-2026-000070547 · never reused
Internal UUID01a0ae91-5460-7bc3-a9b0-476bf5ac2e53 · 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-2026-000070547
StatusPUBLIC

Content hashes

Canonical text9f182c09a8d5921812ff8dbb47d8398d5de6f5b60487e3898ffa1f21def58155
Markdowndf3671b4ee6a88de302765461ff1107d7f435f3e68380eac7f38a352524eb675
PDF
Publication page1c4be9b8022c66f7360af4f05cb7d3590a0853139fbc6fc0fd601134f530ba91
Manifest567599c5daddae39510dea607ecbe78cdd1db85d5d2c67cec98e5799d52da5dc

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
Signature7S0oAsLeCRvOt++B5Ry45ZydI0316qMLLdeHSyKYwiOYVy7UyQjOOaTv8waX6vp+E2vOWg3EVAQQYJiNRvRXDg==
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

2026-09-17T10:26:23.742795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070547
observed 1c4be9b8022c66f7360af4f05cb7d359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.726856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070547/manifest.json
observed 567599c5daddae39510dea607ecbe78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.711123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070547/publication.md
observed df3671b4ee6a88de302765461ff1107d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.694459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070547/publication.txt
observed 9f182c09a8d5921812ff8dbb47d8398d...
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.