OpenTechnical

OT-2026-000061212

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000061212) never changes.

Identity and time

Publication numberOT-2026-000061212 · never reused
Internal UUID01a0ae8b-1381-727c-a7c4-109007f9b757 · 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-2026-000061212
StatusPUBLIC

Content hashes

Canonical textea0d4a244c2f22a078a3826ff01f1dcd3118afc1c7063d8da121e0c23b38feca
Markdown1ae02b5bd333ca5c86d1ba2cfe97fc11670719b944a80eef802df29d6fd13043
PDF
Publication page05ef8bf15cd24aa77e0288b098c3d1429369431fef0ca8fc320fc5c1ff5899f6
Manifestd22d274bd735628a1ca3f4d95ad142e429a37ec0ff7324c573cb6051330ade40

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
SignatureKxvj5vonqZiekT+0Qtt5k6dKdswRvFiOpmA+NwlzwBtKNZ7N3+vVgMQwhlnhQ/+V8NALkeEKJd4WMdd9EvROCw==
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

2026-09-17T10:42:36.853848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061212
observed 05ef8bf15cd24aa77e0288b098c3d142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.835028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061212/manifest.json
observed d22d274bd735628a1ca3f4d95ad142e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.817328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061212/publication.md
observed 1ae02b5bd333ca5c86d1ba2cfe97fc11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.799182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061212/publication.txt
observed ea0d4a244c2f22a078a3826ff01f1dcd...
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.