OpenTechnical

OT-2026-000060031

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000060031) never changes.

Identity and time

Publication numberOT-2026-000060031 · never reused
Internal UUID01a0ae8a-5a70-761f-8766-07346aa43bc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060031
StatusPUBLIC

Content hashes

Canonical text7562a4dc020477589dfdf9634cc1b9bc015ab4d8cd8a6fa00c4749830448ee40
Markdown37e796c183a872970436f0573866e1a804be8610ffe2d8651e4bea747869c594
PDF
Publication pagea7c6a80e43a8e24acac8c70708bbf0f88c51d698881ea633b4b1dd560f8ca216
Manifest6121756882af1772d588f4df494aca846b4c0e1a19def73c311ba3b9746ffe23

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
Signaturelhc+Kqm42p+yCVahHfFBWBrZ5gxw8hV4G6b0B/JRJc9mbfAvRkRFJXTbHcdOTHi6p6YbpiU/erdd/l5E+HYBBg==
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

2026-09-17T10:43:38.952210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060031
observed a7c6a80e43a8e24acac8c70708bbf0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.932632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060031/manifest.json
observed 6121756882af1772d588f4df494aca84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.912170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060031/publication.md
observed 37e796c183a872970436f0573866e1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.893174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060031/publication.txt
observed 7562a4dc020477589dfdf9634cc1b9bc...
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.