OpenTechnical

OT-2026-000055545

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000055545) never changes.

Identity and time

Publication numberOT-2026-000055545 · never reused
Internal UUID01a0ae86-a102-701e-b810-a66a3bdc9d04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055545
StatusPUBLIC

Content hashes

Canonical text2e26fbbf270445574f67abbe8d0f42f8a9955c6717c215071b4b03c8896a57f8
Markdownf5e31b768afa2193ceb0b7470c646dba96f4ba332ad87abba56cabd972c81bd3
PDF
Publication page57130cb91a45a0e0252ac5205408e4e7f82eb27e47801e59cd7851f3c57bf7f0
Manifest8249f8080ea5a5e43c97fcced734821529435343aafcfe3a3f5142a7d2c9b2a8

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
SignatureMsns7sgwbl6uwIOYEhtQW/5ZLuFQPGXNWwsSeU7Iej/FrsDpuBRt/yDqr8Ulupa+R0A0+jHEsVyFSHQD5iabAQ==
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

2026-09-17T10:52:45.794664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055545
observed 57130cb91a45a0e0252ac5205408e4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.775965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055545/manifest.json
observed 8249f8080ea5a5e43c97fcced7348215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.757274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055545/publication.md
observed f5e31b768afa2193ceb0b7470c646dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.738447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055545/publication.txt
observed 2e26fbbf270445574f67abbe8d0f42f8...
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.