OpenTechnical

OT-2026-000054523

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000054523) never changes.

Identity and time

Publication numberOT-2026-000054523 · never reused
Internal UUID01a0ae86-1283-7a97-b165-0bd2e5ccdd07 · 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-2026-000054523
StatusPUBLIC

Content hashes

Canonical text13800ac15d25d7ffea2a927f76b1165427b4d8e0a76e66a306f7bd19bf6cfc8c
Markdown184bc0c3de211b785cfff942ff118828d78511266a2637f23427646c01db0a0c
PDF
Publication pagebec76f171e4800de1853957b57ba732cb0e4861af1c8f046e1b488e6cb648142
Manifestcc500fca8f213179f6cf27c36e419af8d711d5d3a08be43dfc6670936499e7f6

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
Signature7J4PqhXnPRorg4y5OEJNICWsPHtnnD2vtiBbbRDD/X+6gLzC3es1UFJW1mEM46x+6FzEIwyeIi7ieYyzDJ2mBg==
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

2026-09-17T10:53:32.022695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054523
observed bec76f171e4800de1853957b57ba732c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:32.002489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054523/manifest.json
observed cc500fca8f213179f6cf27c36e419af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.985733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054523/publication.md
observed 184bc0c3de211b785cfff942ff118828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:31.967997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054523/publication.txt
observed 13800ac15d25d7ffea2a927f76b11654...
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.