OpenTechnical

OT-2026-000053337

Publication integrity record

Single cup vacuum gripper, three 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-2026-000053337) never changes.

Identity and time

Publication numberOT-2026-000053337 · never reused
Internal UUID01a0ae85-0a16-71c5-bc9e-1cc049e50f60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053337
StatusPUBLIC

Content hashes

Canonical text925c7caa2757ff1dc61a479ae0618d2a131df2cad01f977bf56c01c9fab1ce90
Markdownfe2bba00773fbf96a4a4a14522997cbedfe3e0a218168da531e3e011f7e7261f
PDF
Publication paged4a90e23d8e9cfce31eea5e6571957cc7b98e54236e4b5021d718d1d996a9016
Manifest49247881c2a0c4b21f1414fa963ae3c538c2397cbc0fdc1292ba5e6879e65ca0

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
Signature2ERjJxk0yd23FiwilZxX103bKKazh5JQ5CfWgZRKnULGisX4cJSFvbj8OIhgK2ZVsg/4TIoR3WsakwKko/AZCA==
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

2026-09-17T10:55:02.562204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053337
observed d4a90e23d8e9cfce31eea5e6571957cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.543919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053337/manifest.json
observed 49247881c2a0c4b21f1414fa963ae3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.524054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053337/publication.md
observed fe2bba00773fbf96a4a4a14522997cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.503132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053337/publication.txt
observed 925c7caa2757ff1dc61a479ae0618d2a...
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.