OpenTechnical

OT-2026-000074206

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000074206) never changes.

Identity and time

Publication numberOT-2026-000074206 · never reused
Internal UUID01a0ae93-7178-7350-91cd-456b07550135 · 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-2026-000074206
StatusPUBLIC

Content hashes

Canonical text3aa18ab9a1b2c12a3aea4c87e85df0de0914e5eb36186c2fd5136f619451c27f
Markdown80a2b9b8e92f0192ecf587de91051e35ce6b91b5a5cdd1949d44ea5fb6a4a00c
PDF
Publication page51dbee5a87aa4d461d4f08aa8a097b2ea063e35ee8f970df46386ce08870925b
Manifestfac049ec2be9b8dfcdeb14de66cf204965d7535c6ee8a81fcdcba3bf63bd8d6f

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
Signaturee9vkyvn5WvKo/hD3BQxm4XSdGFv3wJFYLs55WoFJQpHJ0ohr3yijeVMHQNlnc0MRgoYM/i/exVBDOl+plAZbCw==
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

2026-09-17T10:19:03.767009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074206
observed 51dbee5a87aa4d461d4f08aa8a097b2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.747215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074206/manifest.json
observed fac049ec2be9b8dfcdeb14de66cf2049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.728541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074206/publication.md
observed 80a2b9b8e92f0192ecf587de91051e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.710077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074206/publication.txt
observed 3aa18ab9a1b2c12a3aea4c87e85df0de...
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.