OpenTechnical

OT-2026-000057528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000057528) never changes.

Identity and time

Publication numberOT-2026-000057528 · never reused
Internal UUID01a0ae88-2693-7920-aa04-1f5ac5c923b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057528
StatusPUBLIC

Content hashes

Canonical text6446782292c3f311b67d498a68a2fe53be27df8543b9fa2a6953cfde493986a7
Markdown436dfde4e69ba704b535f1a5af05571a64a6b3fb45ce0e50d965479d8753b34f
PDF
Publication page6fe5b3a4b4bb738579e65eea1b2f256d49d51961256312767c8d593493d278f8
Manifest4257c8e184c2b9341c52b2a84c7e4392a3f22ba87053d72aa839d2c61bc09898

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
SignatureFC5zzuq/lhhGM8e7iTKbbyedK0KsSHnSy7fDEnj41qXTo44fbz25ELVJHIH5stiaVo57Yl9TG+5I8KUxanJSAQ==
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

2026-09-17T10:48:03.778020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057528
observed 6fe5b3a4b4bb738579e65eea1b2f256d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.759321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057528/manifest.json
observed 4257c8e184c2b9341c52b2a84c7e4392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.740093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057528/publication.md
observed 436dfde4e69ba704b535f1a5af05571a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.723541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057528/publication.txt
observed 6446782292c3f311b67d498a68a2fe53...
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.