OpenTechnical

OT-2026-000067027

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000067027) never changes.

Identity and time

Publication numberOT-2026-000067027 · never reused
Internal UUID01a0ae8f-14fe-7ed3-88a2-711fbd0fee20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067027
StatusPUBLIC

Content hashes

Canonical texta8d25ada513457a34cb77691675068dc23914a5ab04537e43f2baf279dee7d86
Markdowncc69a5f80af6bfa56083578679c778062e1c0c6f5da16ac90f228bb77c5326ff
PDF
Publication page995bd24badb7b99c2ce5e9866f6ec78b23158ddb939a704087f2a75bf7a8357f
Manifestd1898d04320c65cfc0ca8656941fd888ae0457a438ec0b7b1287419846eba404

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
SignatureAtCfeBivgTmgdJSkNPkQY59h6rY0GNhoNkAR/uhjHcNZEWJFSMXnug9qdF3VEHUypbUfjXyqNH7hJoCAc/Q3Cw==
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

2026-09-17T10:32:15.694995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067027
observed 995bd24badb7b99c2ce5e9866f6ec78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.675798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067027/manifest.json
observed d1898d04320c65cfc0ca8656941fd888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.658248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067027/publication.md
observed cc69a5f80af6bfa56083578679c77806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.640123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067027/publication.txt
observed a8d25ada513457a34cb77691675068dc...
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.