OpenTechnical

OT-2026-000095964

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000095964) never changes.

Identity and time

Publication numberOT-2026-000095964 · never reused
Internal UUID01a0ae9f-fac8-77e9-aa4f-783e049970a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095964
StatusPUBLIC

Content hashes

Canonical textaacb39341158a2f27c42e5eb2a8090b3b5e27a72ac89d8356f412dac6e8cfd24
Markdownfc21602b099d3e19b0d67bce3c387372bd10a6f8ee37b4165f2cd471b32c6e62
PDF
Publication page3e1871243f5fcf1c34b0c0cdffde0246fe1b0c5b618209658e9f970058c9a8c7
Manifestf4398849fbb87395b7abb0414ceb6d94b01acecc2cc2a961d83f223b288a9a7c

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
SignatureNvyFMOT0ydndNh+IzCXPpY9LpOwIJbHlXfW3Tb5oVPlD/zREVnQnf+3/obuGQgZqCNT1Rt1IMjSk2vdpG3+9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:04.824000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095964
observed 3e1871243f5fcf1c34b0c0cdffde0246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.805497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095964/manifest.json
observed f4398849fbb87395b7abb0414ceb6d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.787843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095964/publication.md
observed fc21602b099d3e19b0d67bce3c387372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:04.768856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095964/publication.txt
observed aacb39341158a2f27c42e5eb2a8090b3...
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.