OpenTechnical

OT-2026-000074330

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000074330) never changes.

Identity and time

Publication numberOT-2026-000074330 · never reused
Internal UUID01a0ae93-7179-71d7-9ac9-e7593b0abf2e · 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-2026-000074330
StatusPUBLIC

Content hashes

Canonical text7effdfc9b540540c602484af1f1d6ba1b3a8725c57db8954c1595c245831c25f
Markdown3c81e81547ae8396f881a29afb4ff65bb2bf2a2726474528236655bb1b8fa69c
PDF
Publication pageedde45f89f089a59ccf3a8392bff3515e3363320aaf2bdfe8f88933cdb07cf25
Manifest53c8a4c9e05360f4fb838f4d928145a418521d7f65e938eb97d19e85cfb2ed60

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
Signature+gceAg09KjQco9XFX1yFTzu/FpgipIpWNdZ32WrpRkwNCEAYnNAUusHlJ0alRHSQbXlX3elCabmv5xEF/lL/CQ==
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

2026-09-17T10:19:14.941433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074330
observed edde45f89f089a59ccf3a8392bff3515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.925429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074330/manifest.json
observed 53c8a4c9e05360f4fb838f4d928145a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.907932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074330/publication.md
observed 3c81e81547ae8396f881a29afb4ff65b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.889391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074330/publication.txt
observed 7effdfc9b540540c602484af1f1d6ba1...
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.