OpenTechnical

OT-2026-000072386

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000072386) never changes.

Identity and time

Publication numberOT-2026-000072386 · never reused
Internal UUID01a0ae92-47c3-7d9f-a92d-cbd147c7095a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072386
StatusPUBLIC

Content hashes

Canonical text9614ece2729a835453198c45a8903b35fb200116ed8f404180d17956160d1943
Markdownf186d2ffbd7bdeceb26564c5586584f4309172691a88112f2c218fd845886923
PDF
Publication pagef60d490200e963f89ac194083ae5d42a190087a3feedfc468754b3c26ae9c4d8
Manifeste15f1153e1823aa6a6e4242bf6821e8feae6df92a9edcb6478d51c0805f4b32a

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
SignatureXHierOoJX1a/tesvkhQJZb/J3fbKKa4k8Yo1n0WgYzqjDID0rFfFaSPxlro8YDWICJzwNIl8fJOJ7Yo1kDZ3Bw==
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

2026-09-17T10:23:37.473538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072386
observed f60d490200e963f89ac194083ae5d42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.456541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072386/manifest.json
observed e15f1153e1823aa6a6e4242bf6821e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.439048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072386/publication.md
observed f186d2ffbd7bdeceb26564c5586584f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.421380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072386/publication.txt
observed 9614ece2729a835453198c45a8903b35...
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.