OpenTechnical

OT-2026-000073113

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000073113) never changes.

Identity and time

Publication numberOT-2026-000073113 · never reused
Internal UUID01a0ae92-efb5-7548-9ed2-5e577e84adc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073113
StatusPUBLIC

Content hashes

Canonical text6f62820d2538d85f4ad1030133b9077ab82a77365b0cdf7a571e97f17abcb006
Markdownd64270227f966385b51c490344336da8311389a1a5eb0765b20b5dfd3a6c2db1
PDF
Publication page366ab2fb65ce079606d7ee94a310449deaf5204a2cbad856e28f89e5ec16ba68
Manifest1d597974b46ee422ba12eadfa5b5cf8d4dce8397153c047e157814b61cbba017

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
SignatureNo5CEJSxSHb1n51fx03E90ZRW4XhnlT2lfYElL6yV/dc8t5VzlhNf2R8UgKJ3fS+U9G88KzhmDRhjKPMfbmNBA==
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

2026-09-17T10:21:02.480033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073113
observed 366ab2fb65ce079606d7ee94a310449d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.460296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073113/manifest.json
observed 1d597974b46ee422ba12eadfa5b5cf8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.439428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073113/publication.md
observed d64270227f966385b51c490344336da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.419816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073113/publication.txt
observed 6f62820d2538d85f4ad1030133b9077a...
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.