OpenTechnical

OT-2026-000074024

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000074024) never changes.

Identity and time

Publication numberOT-2026-000074024 · never reused
Internal UUID01a0ae93-2b8f-7fe2-ad9f-6fb5f1937a78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074024
StatusPUBLIC

Content hashes

Canonical text56a2e38fe741e76e3ef6daded3d6d59f3ff6a29c43770ad85096f9783259756e
Markdownc7fa84516c2a1ce56f9b8aa6fc31bd3f4223af0b289524cc1ac531ca2c36e727
PDF
Publication page74821cf25bf29f646cc82012761ced087ae96910399f10d4dc7b5af00fa89e0a
Manifestee805eba578809a682452bb76bc2d1d25c1eaf8781bee2e31bb0d88de0570e27

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
Signaturee7x0DLe16HthDcf1mWg2sIhGMGEE99XH+ghfHmIfWyt/RJ1kbAKEibIKOBmJH8VmRTTe0aGqNo3frPaya4pEBw==
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

2026-09-17T10:20:19.616975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074024
observed 74821cf25bf29f646cc82012761ced08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.593698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074024/manifest.json
observed ee805eba578809a682452bb76bc2d1d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.560445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074024/publication.md
observed c7fa84516c2a1ce56f9b8aa6fc31bd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.540915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074024/publication.txt
observed 56a2e38fe741e76e3ef6daded3d6d59f...
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.