OpenTechnical

OT-2026-000030095

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000030095) never changes.

Identity and time

Publication numberOT-2026-000030095 · never reused
Internal UUID01a0ae73-ac4a-721c-bbf9-7bf1875ae638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030095
StatusPUBLIC

Content hashes

Canonical text00173a9da864bff75309cc6e9ad277f3ac0dd8e5870bebfa8de17ff06e9d539a
Markdown1b03c2ecb0c122e768f9667282902ed4faf1e7ffb7411d35ce0458c599c8e9cc
PDF
Publication page1b356f300b54dc596bb5daf4f039934898dfee2c75e08387af9df9be1e716e0c
Manifest3a8a9b29bffe71fa0e34f71ed972fe5c3c7847756173902f8ffc61927703c894

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
Signature8Gyby/6BPy3nXIYgprWrox88snluOW13X5OHXzAGN3I7bE6HNWb2R8vw5avMTSVpiIby66fKr93rG74XQiK8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:50.810541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030095
observed 1b356f300b54dc596bb5daf4f0399348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.790779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030095/manifest.json
observed 3a8a9b29bffe71fa0e34f71ed972fe5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.773392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030095/publication.md
observed 1b03c2ecb0c122e768f9667282902ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.754650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030095/publication.txt
observed 00173a9da864bff75309cc6e9ad277f3...
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.