OpenTechnical

OT-2026-000088444

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088444) never changes.

Identity and time

Publication numberOT-2026-000088444 · never reused
Internal UUID01a0ae9b-5d27-786f-8db1-96557ed0e6c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088444
StatusPUBLIC

Content hashes

Canonical textfb01cb4483195e1e0f48ce4991ca57ffa487b63b56ba05cfeb72615c1d91295d
Markdownc79c8f120c7935605cf9cb9faade78fd39f3bdba4f5cdd06516cf7b0b2fc8c35
PDF
Publication page79ddc28bad5b3f741201b9000244a682768392d79a22fa9f2be1c2ebf9f2a90c
Manifest0f0f060200f3581aa40fb1eca285f0ddffe8715ddf5227b4ff9d84ea3ccccea0

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
SignatureTFFbk/OU/XT5pno8dZ62qlC+wHqgoy9Mws4tjI17dx4pWNG0qwaSR3TotHchPgNRYolCW+0jStf583X8LeerDA==
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

2026-09-17T09:48:49.298546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088444
observed 79ddc28bad5b3f741201b9000244a682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.279531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088444/manifest.json
observed 0f0f060200f3581aa40fb1eca285f0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.260077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088444/publication.md
observed c79c8f120c7935605cf9cb9faade78fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.243002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088444/publication.txt
observed fb01cb4483195e1e0f48ce4991ca57ff...
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.