OpenTechnical

OT-2026-000025035

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000025035) never changes.

Identity and time

Publication numberOT-2026-000025035 · never reused
Internal UUID01a0ae71-2728-7c86-aa68-7dddbe58a4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025035
StatusPUBLIC

Content hashes

Canonical text33b7acb83a8be2f977be4292ad72c3a4470639d5726f27b4c5ab5412abb43369
Markdown315ba32103bde44077f47e1271aa006c4998f0e8f08d425e03d9abe2c34d357a
PDF
Publication page3899b52c0611f2245d393210daafbb62b082dba90921e8e77b2b339d4cd94b1b
Manifest4122a5d7cbd4d693641f54a60475a6341de77f58a84bd0f0701b0753a0ccbb5f

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
SignatureID94gsKynQtbAUXbSqfeCcJ5BcIDsYka2Tr9oS0g7Usqbe5L9uCx4miKk6n+yY1yMkirBwggpV20RgdGd/YyBA==
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

2026-09-17T11:48:26.426296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025035
observed 3899b52c0611f2245d393210daafbb62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.407360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025035/manifest.json
observed 4122a5d7cbd4d693641f54a60475a634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.389352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025035/publication.md
observed 315ba32103bde44077f47e1271aa006c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.371971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025035/publication.txt
observed 33b7acb83a8be2f977be4292ad72c3a4...
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.