OpenTechnical

OT-2026-000082738

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000082738) never changes.

Identity and time

Publication numberOT-2026-000082738 · never reused
Internal UUID01a0ae97-8cc9-73f9-81f0-f530d3c7070e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082738
StatusPUBLIC

Content hashes

Canonical text6d2eaaf0d0b7fa42b58294c29f60610b970004390695ee6294baa37c24401619
Markdown8b1e0e650dbdc050066ad08cc088a8d722c6c8696b45924ce83b7b1ff51a176b
PDF
Publication pagef2bf6470a51f3d81792bcd4be903805595e841b0c91be19f5986711ccaaf7415
Manifest6192d4c8597340046b4fca5717bc3964ad75b971f07e89a9932556d570840425

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
SignatureI14XhvynLowS9UrI8d1ls10kPx8sEuxoSzANZ1gBiH/AZpwqcgXaqC2OunlzSZgEA5kjx9UkBD6rE0AiMc6kAA==
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

2026-09-17T09:58:19.134529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082738
observed f2bf6470a51f3d81792bcd4be9038055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.117030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082738/manifest.json
observed 6192d4c8597340046b4fca5717bc3964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.099419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082738/publication.md
observed 8b1e0e650dbdc050066ad08cc088a8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.082770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082738/publication.txt
observed 6d2eaaf0d0b7fa42b58294c29f60610b...
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.