OpenTechnical

OT-2026-000090865

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000090865) never changes.

Identity and time

Publication numberOT-2026-000090865 · never reused
Internal UUID01a0ae9c-c010-75e8-89a2-cdbcb73b00b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090865
StatusPUBLIC

Content hashes

Canonical text1189025b47f1d9b4eb8a5be138b79ed6b3822e35b1a398132542cb63e6df5528
Markdowndbf57eaa3c4c0acc71d4a866781a44914e181c96ddb2d2985e39e385cfcc4256
PDF
Publication page78b7e7ae85bb2abc461426e2cd2d1bcc45e14eb47d9bd452cfb132dd81dd9261
Manifest52d4e95cc243c91bcbf26b6306b046c934a5178fe67fb1717958b4052335e7fe

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
SignatureV33qTKOLHX/vbtANKUTUeFobZ/nV4gsgrJn0RvQJPxtj8M+faOTPd/HEHsVrDz1CRML/y1Nb5F4ZSUPi/4T+Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:03.436666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090865
observed 78b7e7ae85bb2abc461426e2cd2d1bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:03.419306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090865/manifest.json
observed 52d4e95cc243c91bcbf26b6306b046c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:03.401477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090865/publication.md
observed dbf57eaa3c4c0acc71d4a866781a4491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:03.382910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090865/publication.txt
observed 1189025b47f1d9b4eb8a5be138b79ed6...
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.