OpenTechnical

OT-2026-000011342

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000011342) never changes.

Identity and time

Publication numberOT-2026-000011342 · never reused
Internal UUID01a0ae6c-88fe-76d4-b58a-ed1fd8e90a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011342
StatusPUBLIC

Content hashes

Canonical text66c14d53b1fdb2e746e4d028299c4b32dfed981f73630f6e604c122e7fc77208
Markdown4959b9eb0379ac15669b2338795554085fbae0a9dad1655b7df6d218a091c59f
PDF
Publication pagedd7a17ad4708c68cddf0abd38ed93b71851fe77e55074ea2c761e92d8262ff5d
Manifest8d447397449f63d53908117dcdaeeb7dfdc41e0c00c2d52bd3017f0682ba6632

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
Signaturejbpmb8wPk9XFmwQVUJs9xNBtm8HNKcfSPtqWTmNVneiBUFr/Sd8d60v14Aw67ZAPmMl0Cp0A4n4Qq/YtT7ehAQ==
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

2026-09-17T12:13:04.332688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011342
observed dd7a17ad4708c68cddf0abd38ed93b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.312678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011342/manifest.json
observed 8d447397449f63d53908117dcdaeeb7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.289875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011342/publication.md
observed 4959b9eb0379ac15669b233879555408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.268488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011342/publication.txt
observed 66c14d53b1fdb2e746e4d028299c4b32...
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.