OpenTechnical

OT-2026-000074423

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074423) never changes.

Identity and time

Publication numberOT-2026-000074423 · never reused
Internal UUID01a0ae93-717a-77aa-b355-440594803344 · 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-2026-000074423
StatusPUBLIC

Content hashes

Canonical text335d46ff007f9cb960f775eaa220cb701f44586c3e96c95638941525c810f03b
Markdown1140b9f57ee30bbbac3f1bee7b4d7530cf5ab05ee6040659a78a1aef032cf4f4
PDF
Publication page7a57416be0dc67d52198c62fba6c13bc527ac99e5f61304e970d336d171d7dc5
Manifest831c258c927532ea13f66b6f0aaf6f53d8653fd86f4c941204a5c845d985a087

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
SignaturekIfm5RtmfqM4bt1/9bHwLajBHYD5SqDB+avkdAeWzzhCJeoOW7SliBaBe+GbpuNddCM4vcMStSYcxP9lRgGSDw==
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

2026-09-17T10:19:22.274033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074423
observed 7a57416be0dc67d52198c62fba6c13bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.257948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074423/manifest.json
observed 831c258c927532ea13f66b6f0aaf6f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.240689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074423/publication.md
observed 1140b9f57ee30bbbac3f1bee7b4d7530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.222623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074423/publication.txt
observed 335d46ff007f9cb960f775eaa220cb70...
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.