OpenTechnical

OT-2026-000006969

Publication integrity record

Porous face vacuum gripper, pump fed, sustained blow off after set down, open cell

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-2026-000006969) never changes.

Identity and time

Publication numberOT-2026-000006969 · never reused
Internal UUID01a0a96e-08e5-7c3f-ad1a-7e94ffce6edc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:55.880301Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006969
StatusPUBLIC

Content hashes

Canonical text1b7981c46f67041327c089f5904c08602c0de3177be5e9f8c27e3dc877bb1193
Markdown8a1a118722e44aeb869d8a53d52151ae71c7f5b0d0dc802eb1d660d7c8a3414e
PDF
Publication page69c108e391397a993e57faf06edfe5a104b477a1134232e2223f0fed1476969a
Manifest3d1a23ae84e5667d7ed0fb05244954a0b88650d4d4a198d981f1e12179153aac

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
SignatureuoakXAvw4jLzXUZ9rFUXxPQHXGIS4vFhGONt8IHx2xE8UmvQEabt2Y9ttxLtJrP+PIo5+XieY+9s7F1IjwhWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:16.642232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006969
observed 69c108e391397a993e57faf06edfe5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.628692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006969/manifest.json
observed 3d1a23ae84e5667d7ed0fb05244954a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.492040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006969/publication.md
observed 8a1a118722e44aeb869d8a53d52151ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.479430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006969/publication.txt
observed 1b7981c46f67041327c089f5904c0860...
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.