OpenTechnical

OT-2026-000048568

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000048568) never changes.

Identity and time

Publication numberOT-2026-000048568 · never reused
Internal UUID01a0ae80-4de7-7d5c-87d3-24ae96dad6d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048568
StatusPUBLIC

Content hashes

Canonical texte355af4fdaa4e97b3c51c294f84ffbde65bb4273054725f4688fce314bde2a72
Markdown40b7cdb84eba8bf031627fc06549cf69d0a04a07f7b4bb1528beaec277d88505
PDF
Publication page5f98bcaa72e8b10ace17dc3dbcfc71460a04f347a3ee321ef4292a1ea2ff2c25
Manifestb6e205f198c881708fb497fbbe6b124bc21f3f301ca76a8b919a054855324c70

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
Signaturen1YlPje7L1aVTpJuajyA4ihToMxTdCyavWCkT8k0nageCc5QZ9Ntkj5mRN4sRyKTlkAagBg4sPnLRmrtb0ibBA==
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

2026-09-17T11:05:22.201628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048568
observed 5f98bcaa72e8b10ace17dc3dbcfc7146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.182648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048568/manifest.json
observed b6e205f198c881708fb497fbbe6b124b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.163202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048568/publication.md
observed 40b7cdb84eba8bf031627fc06549cf69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.143157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048568/publication.txt
observed e355af4fdaa4e97b3c51c294f84ffbde...
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.