OpenTechnical

OT-2026-000047180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000047180) never changes.

Identity and time

Publication numberOT-2026-000047180 · never reused
Internal UUID01a0ae7e-d0f9-7872-a857-2cf750c8c2b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047180
StatusPUBLIC

Content hashes

Canonical textebc38e4fc564ef1f6bdd26d503629aed3779db59d91968efb190f93b8891a82a
Markdowne70fe653bdf966703f76a1f6d29bb42932c95fc8976baee5339cde363f0ac8b1
PDF
Publication pagef2cc535f75a18a17e86e9c9a5332134fa6dba9e480482c506acfcd50bb1d0c73
Manifestd1514626193e70749ea1e054cf9c1c54d0823e00bb10f04f74525e6bff5b96d3

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
SignaturebI2KxxEZca9LD2AdmmxwOBkOTiD82Day4sGCKeo+nDzAOEx2EC5/eovuAU9Ph7t4Gf0kxTvI7Yu3jZtdZD+hCQ==
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

2026-09-17T11:10:33.144627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180
observed f2cc535f75a18a17e86e9c9a5332134f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.121503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180/manifest.json
observed d1514626193e70749ea1e054cf9c1c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.099435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180/publication.md
observed e70fe653bdf966703f76a1f6d29bb429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:33.079847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180/publication.txt
observed ebc38e4fc564ef1f6bdd26d503629aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.092560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180
observed f2cc535f75a18a17e86e9c9a5332134f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.060224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180/manifest.json
observed d1514626193e70749ea1e054cf9c1c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.041764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180/publication.md
observed e70fe653bdf966703f76a1f6d29bb429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:00.020832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047180/publication.txt
observed ebc38e4fc564ef1f6bdd26d503629aed...
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.