OpenTechnical

OT-2026-000058247

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line 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-2026-000058247) never changes.

Identity and time

Publication numberOT-2026-000058247 · never reused
Internal UUID01a0ae88-6edc-787a-9cc3-e8396b91b9f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058247
StatusPUBLIC

Content hashes

Canonical text0441e94f5b2f53311e963ea6c931a7c88829d75fe6b0e7d2a93120acfca10891
Markdownca9eaaaec18e69841f04b17d082831ac1c72c083af53201916efc8d66de0ff78
PDF
Publication page7a44c151c7f645ee5e6582dd8ac0a02b72d50152cf145e0de77691f05aef10e9
Manifest70a944592cbe42b2bea1f0826c1de505bfb51088fa65a196fc5d53df7869a924

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
Signaturei7mtrDarAJQ3+Qs+CpbN08yufoqLG8Hxt83xJn8ncRLeq/MMAMzZ2hvbEA8bejJOwTvsF0cMqsmw9Ul6N/WvCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:58.544207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058247
observed 7a44c151c7f645ee5e6582dd8ac0a02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.522425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058247/manifest.json
observed 70a944592cbe42b2bea1f0826c1de505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.501274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058247/publication.md
observed ca9eaaaec18e69841f04b17d082831ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.479521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058247/publication.txt
observed 0441e94f5b2f53311e963ea6c931a7c8...
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.