OpenTechnical

OT-2026-000054331

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000054331) never changes.

Identity and time

Publication numberOT-2026-000054331 · never reused
Internal UUID01a0ae85-b3a9-7156-8b46-891b0c1d3dbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054331
StatusPUBLIC

Content hashes

Canonical text53b28ab2e8289aede5afb608d6bb45f443c53745840decb20d0b64938936b714
Markdownacd539ab7f68c561856bcea3e8492e693ecf7a6cc208a4572dc8bc7426b47b6c
PDF
Publication page98effa88d671d334d53efed4f442bb5b03bb80bcbd6cf92bbe48a7756abe8fe6
Manifest0c43c8c452b191e1e364a54c54b2990211531818adc8bfd97f84643377509a74

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
SignaturexAJL+lYUabKv/nRa9ttARjygxfKF+iry2fxd7RvvgzPWQ3JjMbheI3uygRRP4tEfFMh3k+JJ2U6F1J6s09JZDg==
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

2026-09-17T10:54:50.578155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054331
observed 98effa88d671d334d53efed4f442bb5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.559076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054331/manifest.json
observed 0c43c8c452b191e1e364a54c54b29902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.537546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054331/publication.md
observed acd539ab7f68c561856bcea3e8492e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.518751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054331/publication.txt
observed 53b28ab2e8289aede5afb608d6bb45f4...
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.