OpenTechnical

OT-2026-000054887

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000054887) never changes.

Identity and time

Publication numberOT-2026-000054887 · never reused
Internal UUID01a0ae86-1285-7f5b-baae-1eafca0e6d5b · 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-2026-000054887
StatusPUBLIC

Content hashes

Canonical textfd0378367c18eb93b0af26d30812b1821488c123d30794d83c9de3e695b26f36
Markdown48a40b1897f9b915eb830b806dc254399894fd77665776c9bc5f0bcb3734256b
PDF
Publication page3b99e59f867a73e286347331a174063dcc080b68489d0f6607ae2e8b6f3cf2b7
Manifest342722c36cd40b2677c091094d2203ad5c177ef499097788f8aea3670dd389ef

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
Signaturex3c6vbqZu5Us7rqMtEvTzFCnfsOy8gqmiJRwbO8zL29GQ/SenPeEFmhMXDroSwoJoRgjB/93GlOqES0LSmtJCw==
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

2026-09-17T10:54:06.758929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054887
observed 3b99e59f867a73e286347331a174063d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.741452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054887/manifest.json
observed 342722c36cd40b2677c091094d2203ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.723704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054887/publication.md
observed 48a40b1897f9b915eb830b806dc25439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.705282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054887/publication.txt
observed fd0378367c18eb93b0af26d30812b182...
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.