OpenTechnical

OT-2026-000075174

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000075174) never changes.

Identity and time

Publication numberOT-2026-000075174 · never reused
Internal UUID01a0ae93-f1ff-7664-a963-2bb6244c2ded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075174
StatusPUBLIC

Content hashes

Canonical text56b485b8711debacb456d176503dad84d845ac9cf2e239c15fb6bea78f742057
Markdownbf4659d51a2a7188c5b8efcd23977b1073d639af89162fbdedf85908ee542966
PDF
Publication page108a6c655a7663c3274efe6390c60b7da478e790e8b99a58dbde3418075fd64d
Manifest8eb87db07e5b25a1762a12aec920bbc760e3a3609b55a64410b03d92ee25074e

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
Signaturewtx+zQVe0xVzHagZ5YjUVaJwMPLD+iIwVkc9M1eS2JBjPn4ps2HXpzcYM+YN2m2qVDiJhfij9iDtRVWSUP65Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T20:41:15.334571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174
observed 108a6c655a7663c3274efe6390c60b7d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:15.191111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174/manifest.json
observed 8eb87db07e5b25a1762a12aec920bbc7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:14.997374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174/publication.md
observed bf4659d51a2a7188c5b8efcd23977b10...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:41:14.835047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174/publication.txt
observed 56b485b8711debacb456d176503dad84...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.371199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174
observed 108a6c655a7663c3274efe6390c60b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.352612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174/manifest.json
observed 8eb87db07e5b25a1762a12aec920bbc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.334169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174/publication.md
observed bf4659d51a2a7188c5b8efcd23977b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.315331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075174/publication.txt
observed 56b485b8711debacb456d176503dad84...
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.