OpenTechnical

OT-2026-000007914

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000007914) never changes.

Identity and time

Publication numberOT-2026-000007914 · never reused
Internal UUID01a0ae6a-908a-72a0-aaaf-49daff9f962f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007914
StatusPUBLIC

Content hashes

Canonical textcdec79c3594150ddb5c909233502925ffad9800dae29e260b8029f11cd9d97e9
Markdown98fccb2698ff549a6e3dcdefd9b098c2f69a983b8c69d18d11fb0968b1cfa132
PDF
Publication pageadb34392b0089560e4637490b51895c53653c9ae8a64692ba237ebeb832e47dc
Manifest926e25edd79081283b6463074094eb6b37ca05c74a87d084ab86ed19aa2dff56

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
SignatureaYEih991EEyYmOoQ3JYmaY7HPKuIZGBNMv3i/3rijOiy1ld9HxiK96ImnMRsgRqNUM+Mu2hdgVgx5tvTrtZFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:23.207281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914
observed adb34392b0089560e4637490b51895c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.188097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914/manifest.json
observed 926e25edd79081283b6463074094eb6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.168091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914/publication.md
observed 98fccb2698ff549a6e3dcdefd9b098c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.150006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914/publication.txt
observed cdec79c3594150ddb5c909233502925f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.904383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914
observed adb34392b0089560e4637490b51895c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.882226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914/manifest.json
observed 926e25edd79081283b6463074094eb6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.852079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914/publication.md
observed 98fccb2698ff549a6e3dcdefd9b098c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.832987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007914/publication.txt
observed cdec79c3594150ddb5c909233502925f...
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.