OpenTechnical

OT-2026-000061364

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061364) never changes.

Identity and time

Publication numberOT-2026-000061364 · never reused
Internal UUID01a0ae8b-1385-7204-8a2e-a6fcee8cfd20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061364
StatusPUBLIC

Content hashes

Canonical textdf8e2b181545576de8540e9e3ee56eb0e7d707b7f6f66c1671b20f587b3c59db
Markdowna35215510e01feb8ef41830c0d99ddc5e0d6030da54dd5101bb6b66d9504eec8
PDF
Publication page370246643377433c599c411b75c447f6adffa4fe2ae38ffe50680a4c19f890a5
Manifestabb767bbba02d41d0daf5b45abeaaae316cdeca19c6e297187406aabf25250dd

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
Signature2I64a+6bLD9uN+saXNOhu0MDN51PIqUpDixXCNE1bMPHGtZkdXy2zssPeHIy3YHE2cX4BQ2uFX48bLYtzxMbDg==
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

2026-09-17T10:42:48.860621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061364
observed 370246643377433c599c411b75c447f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.840911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061364/manifest.json
observed abb767bbba02d41d0daf5b45abeaaae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.821952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061364/publication.md
observed a35215510e01feb8ef41830c0d99ddc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.804589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061364/publication.txt
observed df8e2b181545576de8540e9e3ee56eb0...
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.