OpenTechnical

OT-2026-000083169

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000083169) never changes.

Identity and time

Publication numberOT-2026-000083169 · never reused
Internal UUID01a0ae97-c962-758d-b990-ded40a0e1ac8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083169
StatusPUBLIC

Content hashes

Canonical text6a3f35cbefccf14a5618094bf24b9d74a7591b8185d88a2c32194ff64882fc4b
Markdowne97131cfd9cad2849c5e760f796d77aee71e9b9ca0258c50f6b9e4b164493e6d
PDF
Publication pageb548076d45ad92fad7aef5b32d7487019e269a5b16f36ddbe574ab47aca16baa
Manifestda9687006e26014786acaf25e0b19463dc508acc2a8a20b565ea801e779c7ccf

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
Signature0e8ticdmS3AIZax4GgBI+GPjxeQA55Ulg2U3oefDQZCW8GrRhR0Xs81cNCPX2tNpt9LozClFMhxZrBX1rZWaCQ==
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

2026-09-17T09:00:57.320988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083169
observed b548076d45ad92fad7aef5b32d748701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.181920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083169/manifest.json
observed da9687006e26014786acaf25e0b19463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.124771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083169/publication.md
observed e97131cfd9cad2849c5e760f796d77ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:56.410110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083169/publication.txt
observed 6a3f35cbefccf14a5618094bf24b9d74...
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.