OpenTechnical

OT-2026-000057807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057807) never changes.

Identity and time

Publication numberOT-2026-000057807 · never reused
Internal UUID01a0ae88-6ed7-78d3-8693-d661802f1558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057807
StatusPUBLIC

Content hashes

Canonical textec5f1ef95cabbefeb806c9b0acc1299e4855a289104770ed1725072acca39d9d
Markdown7187eae056ca8627ba688bea14a74ef8aeddd64ae132bbba5aae85e27e95a0a3
PDF
Publication page206284c97ecbebabb66903ef7f028b4ce4bbf7b6dc060650c1b04a2a03eeca27
Manifeste25886d0580b396177d40377783b7a920313e94e3e1c4825d3e4d87751fcea1b

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
SignatureapbHFNSKPcLo+Bj2cqExhILxHf+tluOCuSzl28HiSqCpN9mV/uFqXMcMSXwyyqqfb2SXyeaTewaunlDCmYlHAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:22.479566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057807
observed 206284c97ecbebabb66903ef7f028b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.460571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057807/manifest.json
observed e25886d0580b396177d40377783b7a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.441433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057807/publication.md
observed 7187eae056ca8627ba688bea14a74ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.421369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057807/publication.txt
observed ec5f1ef95cabbefeb806c9b0acc1299e...
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.