OpenTechnical

OT-2026-000098253

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000098253) never changes.

Identity and time

Publication numberOT-2026-000098253 · never reused
Internal UUID01a0aea1-e964-7e37-b520-0459c7ded59c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098253
StatusPUBLIC

Content hashes

Canonical textbd2a0c23f7021d1958fd45924d4feadd9e9ea3710cadc2b80322038caa1b6749
Markdown154f38e2afb100d86a9e24947824fcc252c0f8c5c0b5139a1e399c60a3b00f1b
PDF
Publication page6b99c1368e3c00b4c01c6fd1fdf347b9f0a2d37801be6ddf5a19ada20d255db8
Manifest91f8c89fc450e06378498eacc5c5aa36180907d51ce91f191b5f1d1a9171ae8c

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
SignatureG8xQu6P0CPwsoP6R38lI/uCfN32zc3ZAkTh/Cbn8nRLI9ILseTHPURIhMfSBcMgoQxpR9zS5q4mV4a6kvjjzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:10.890633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098253
observed 6b99c1368e3c00b4c01c6fd1fdf347b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.873660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098253/manifest.json
observed 91f8c89fc450e06378498eacc5c5aa36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.855447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098253/publication.md
observed 154f38e2afb100d86a9e24947824fcc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.837324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098253/publication.txt
observed bd2a0c23f7021d1958fd45924d4feadd...
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.