OpenTechnical

OT-2026-000063837

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000063837) never changes.

Identity and time

Publication numberOT-2026-000063837 · never reused
Internal UUID01a0ae8d-53b7-77c9-92f7-a30b14f291cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063837
StatusPUBLIC

Content hashes

Canonical textbd4f229c284e39e1e8e0d36c9d087672d52e3d55e4a5923c197daa75690c6766
Markdown899d0e84e15d88bf237affc7e0e43b176d3180f1a3c28156a73fc3594773faa4
PDF
Publication page4059d4f36415357f41f047c871ed2fe1337e892af2d13a6a1e223eb0e0acfc38
Manifestc78f91000f4cdd52d08ee1f4b48104c09a49113e354b6cc110de68a78387ef82

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
SignatureX4onDOyMBIBf/gabEvnMNEsOJTtySeJQnLOummk44Fd0xuWdI8FzMuc7ceeFjaHGD1pxM67BY1aniOkliLEvDg==
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

2026-09-17T10:36:51.831333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063837
observed 4059d4f36415357f41f047c871ed2fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.811844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063837/manifest.json
observed c78f91000f4cdd52d08ee1f4b48104c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.792202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063837/publication.md
observed 899d0e84e15d88bf237affc7e0e43b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.773922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063837/publication.txt
observed bd4f229c284e39e1e8e0d36c9d087672...
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.