OpenTechnical

OT-2026-000061088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000061088) never changes.

Identity and time

Publication numberOT-2026-000061088 · never reused
Internal UUID01a0ae8b-137d-7257-92ab-b976d025cdbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061088
StatusPUBLIC

Content hashes

Canonical text3e1a425ed8c87e2ab01c900fba088784dbf4ce1fc0c1cfbbbcf29a8c77532188
Markdown655bdc86ac0b4c4545798eb5ddf072e48d7be7c2a0cc492d506f7f044b671620
PDF
Publication page3687f966af1b209385948c56f6f2927c37fc59de6d71aa6e7bf5e4797415885e
Manifesta8983c613ae15ae299ce4cd04315bc2fb481cab04d484563e9dded3e72011e0d

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
SignaturenvpcZdb7qot+eF6okwVq8No0W7r7pNnnXwf8r+EPe09mcSgy94IQOPM80TDryZoG6jTjrxIsLtHpMiwZwP8IAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:27.205164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061088
observed 3687f966af1b209385948c56f6f2927c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.185187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061088/manifest.json
observed a8983c613ae15ae299ce4cd04315bc2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.163585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061088/publication.md
observed 655bdc86ac0b4c4545798eb5ddf072e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.143331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061088/publication.txt
observed 3e1a425ed8c87e2ab01c900fba088784...
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.