OpenTechnical

OT-2026-000074210

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000074210) never changes.

Identity and time

Publication numberOT-2026-000074210 · never reused
Internal UUID01a0ae93-7178-7f31-abc9-3ead12adedc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074210
StatusPUBLIC

Content hashes

Canonical textd97c3686ca7bcfc317f676043c07c525be93848ebc69d26342463996b42db1a1
Markdownc5852c77cd524c17c9d5c7bd0cf462120a53ad5cdd3fefb76600ef013528b2bb
PDF
Publication page235cfc105120ad43c10a067f7b0575936ede761bca181a6c8614ec51a104ba98
Manifest7a68a4ed527383db77431ec2480fa6827c6d851340f5d87dd45451503846917d

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
SignaturewVxfDqW0rq78yHy0yUOLZmPvh6iMtAQrxiXP3gj84arx+llX+0Fp+2n+uqiwbukYf6on/479aICauUzV7tzSDQ==
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

2026-09-17T10:19:04.078680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074210
observed 235cfc105120ad43c10a067f7b057593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.060984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074210/manifest.json
observed 7a68a4ed527383db77431ec2480fa682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.041617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074210/publication.md
observed c5852c77cd524c17c9d5c7bd0cf46212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.021545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074210/publication.txt
observed d97c3686ca7bcfc317f676043c07c525...
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.