OpenTechnical

OT-2026-000081575

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000081575) never changes.

Identity and time

Publication numberOT-2026-000081575 · never reused
Internal UUID01a0ae97-0f71-7bf3-b460-9359349e2574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081575
StatusPUBLIC

Content hashes

Canonical text40cecbcece791c49f34140b9249fe6f2f996b7ce4180f7f3810c973330bfbbfe
Markdownf8cc0c527d334f57c8e4acf9dcdbf575e218adb1474c91ce47abe2a803d97f9b
PDF
Publication page67b4fbd58230a5457aa60220f4accdc658bb91b1c511583041f873184e27ad0e
Manifest41ab5d3b5e4781efbbe5baf368590c87b2507f1fcb90d844d0658c2b5e8aa516

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
SignatureovpkM/5NpZMGfS4G5Bgl3hHp1Z8W8qdt2l+J5woYjr1q7uhrdk4mv2irE8rFun1/wCsnamt39DJKBJ3w/F62AA==
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

2026-09-17T09:59:36.389187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081575
observed 67b4fbd58230a5457aa60220f4accdc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.372317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081575/manifest.json
observed 41ab5d3b5e4781efbbe5baf368590c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.355904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081575/publication.md
observed f8cc0c527d334f57c8e4acf9dcdbf575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.338589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081575/publication.txt
observed 40cecbcece791c49f34140b9249fe6f2...
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.