OpenTechnical

OT-2026-000055509

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000055509) never changes.

Identity and time

Publication numberOT-2026-000055509 · never reused
Internal UUID01a0ae86-a102-70d2-b7e2-0cc978e915a3 · 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-2026-000055509
StatusPUBLIC

Content hashes

Canonical textc829ff28ba687b4d64f2405d1a3ac5f8851084692a60dbe79c915fbb6921290e
Markdown0ea06f87ef8e143947a29771713e0a2153bbd42a262305a261e0213c6cf7edc4
PDF
Publication page5d1677e6f1f74689c1c248d5f657a20bc5b8a54f33dc9eb85188df8d2bd45eda
Manifest6d16dc09a3720aa84404b8d82b4d2eb2fc5a126b8c24d032a28175dd2b317cb0

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
SignatureuUHTgs8+jrM2yFHM0m2CpPCBMN/PjSC8hHbq8fAVF4LgsKxvCDkGB9f1n4yx5c1wHZTMsikTBGrKUxndNBfUCQ==
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

2026-09-17T10:52:10.917274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055509
observed 5d1677e6f1f74689c1c248d5f657a20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.899988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055509/manifest.json
observed 6d16dc09a3720aa84404b8d82b4d2eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.881339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055509/publication.md
observed 0ea06f87ef8e143947a29771713e0a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.863515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055509/publication.txt
observed c829ff28ba687b4d64f2405d1a3ac5f8...
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.