OpenTechnical

OT-2026-000032023

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000032023) never changes.

Identity and time

Publication numberOT-2026-000032023 · never reused
Internal UUID01a0ae74-bad3-7b88-b208-e1cab31437a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032023
StatusPUBLIC

Content hashes

Canonical text3ad340327c5b25b8a1e47baac9067b8ff89807850fec597b030c795d1ad601a7
Markdownde58f2eea77f093ce02fb9599f29a6f9ffb32a501c0f1edc6cda54f1bd6a27e2
PDF
Publication pageb8c0283250b543bc0260fe8e78a72087066b926f21e7c5945bf4fbcfc54317fd
Manifest9e314c2f98d389f06fd6691467a5de857b350e26bc4895e33f89458d4c40c86c

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
SignatureYhS1a1ROmA3ml5v+0tXyx87kFs3wM56/QuDH9PnBRiLXAC6/A4LgI8XsQr9tWPyCD/mwl0fcLqBtj0Z0aX30Dg==
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

2026-09-17T11:35:25.856680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032023
observed b8c0283250b543bc0260fe8e78a72087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.837118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032023/manifest.json
observed 9e314c2f98d389f06fd6691467a5de85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.813274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032023/publication.md
observed de58f2eea77f093ce02fb9599f29a6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.797142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032023/publication.txt
observed 3ad340327c5b25b8a1e47baac9067b8f...
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.