OpenTechnical

OT-2026-000057750

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down

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-2026-000057750) never changes.

Identity and time

Publication numberOT-2026-000057750 · never reused
Internal UUID01a0ae88-6ed7-7eec-8b80-8bcd9f853dcb · 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-2026-000057750
StatusPUBLIC

Content hashes

Canonical text72a5381576197e36bf6d6cdcec42c3befff769a3e9c39f93a2943ee0775ca47d
Markdownf76f40bc7422d6ea9ebf11eb213a8000582f51b2328afa30119228716f164ddc
PDF
Publication pageeb53d14bd331f7e9a9972be0cae82aa29fbf6dd22666f0bc26ab815d7148ac94
Manifest0e80b74631b5e233af003f8a72d1af6839439c5ed6914082ba13d2f083626aaf

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
SignatureqDSjNzCcq9irs0Fvhvrne93CYkR6xLFr4gbcyY+iqdFnmV62FgU3hqKjfGffr5BWVvlXbfv5pIiYEojMAIyrAA==
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

2026-09-17T10:47:17.552712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057750
observed eb53d14bd331f7e9a9972be0cae82aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.534280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057750/manifest.json
observed 0e80b74631b5e233af003f8a72d1af68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.517278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057750/publication.md
observed f76f40bc7422d6ea9ebf11eb213a8000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.499692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057750/publication.txt
observed 72a5381576197e36bf6d6cdcec42c3be...
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.