OpenTechnical

OT-2026-000019232

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000019232) never changes.

Identity and time

Publication numberOT-2026-000019232 · never reused
Internal UUID01a0ae6e-f391-7746-be9e-49672f74ccbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019232
StatusPUBLIC

Content hashes

Canonical text7e289540578833b1f2c0f1d8fca0ae136c348ce39d6dc163ea747e500a97b53b
Markdown4c48c162c1d2de7f25ca6b7e3dd82720138dae93718e1c72d0f1675caaa260b1
PDF
Publication page9cd6245ddc875b2c34694b05d50f7fcfc1e11a701a58fd2cd9854cf1b39c02cc
Manifeste94250741bc217980ba97f5457040b8bd3522b432ed518a9d0bc14265769a454

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
Signaturep08s6Qn5fOP96EF7tM6dZb2vgZgrNgnZWac5jwHLIrlQld2ZHx0ava6HOXpgXYUMTZe26gOByqV4IDn1LvciCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:33.560793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019232
observed 9cd6245ddc875b2c34694b05d50f7fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.544712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019232/manifest.json
observed e94250741bc217980ba97f5457040b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.526070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019232/publication.md
observed 4c48c162c1d2de7f25ca6b7e3dd82720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.508749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019232/publication.txt
observed 7e289540578833b1f2c0f1d8fca0ae13...
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.