OpenTechnical

OT-2026-000036273

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000036273) never changes.

Identity and time

Publication numberOT-2026-000036273 · never reused
Internal UUID01a0ae77-01cf-7b84-998e-e986faa1b6d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036273
StatusPUBLIC

Content hashes

Canonical text291c1fb0e6e83e1f8a31891fc2d3c31afc5b83ac644f22713778e606d4863a07
Markdown69fcb7b26217a4d479dc7999a4cbdec8401f13f31837113eaf1dbd1c6589a764
PDF
Publication pagebacd54d1e9f6c8c3dfb14d36273ded79812507be236d737897a656abf1a8315e
Manifest2c56f324537fc5662afaef13e1d5c1ba5eaccc4045e3e8de993fda4c1e642adf

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
Signatureancq1WQ+FcgRfL3Vcdi3NXhm49oV/39UI7deQiCatx+Ptzg8MzoftLP0TpoIbMXBOmMg6eXQ0twAWOmXxqWiBA==
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

2026-09-17T11:26:32.050030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036273
observed bacd54d1e9f6c8c3dfb14d36273ded79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.029888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036273/manifest.json
observed 2c56f324537fc5662afaef13e1d5c1ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.011682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036273/publication.md
observed 69fcb7b26217a4d479dc7999a4cbdec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:31.992795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036273/publication.txt
observed 291c1fb0e6e83e1f8a31891fc2d3c31a...
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.