OpenTechnical

OT-2026-000054505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000054505) never changes.

Identity and time

Publication numberOT-2026-000054505 · never reused
Internal UUID01a0ae86-1283-7bb2-84eb-0279bc3b802c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054505
StatusPUBLIC

Content hashes

Canonical text81efaa023b9e2ecd2e46de3755eb068c5a7f86c3aed6f49de8ffd8251b34d577
Markdownbee997dbd865cd8f20866617f7ff0a16aa7c9a9fff21368af1855d9e7db9a462
PDF
Publication page1a469ea2566d971e0c78170d68e94a332819498022037203e49431bd971c7aed
Manifest0097dfbbe6454406c4ec4b8eb88193665f6d822f26440f9723c4eb6d3ea084b3

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
Signature6jhIVsoI9PmGkaJb3si+OlDeGK1djgAWCcHb2WmhEEKlvUmIG+ZSvX5KslTB9oEZ5TZPHjI6NjaGaYpMFvqgCg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:30.591168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054505
observed 1a469ea2566d971e0c78170d68e94a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:30.572989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054505/manifest.json
observed 0097dfbbe6454406c4ec4b8eb8819366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:30.555150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054505/publication.md
observed bee997dbd865cd8f20866617f7ff0a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:30.536948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054505/publication.txt
observed 81efaa023b9e2ecd2e46de3755eb068c...
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.