OpenTechnical

OT-2026-000075170

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-2026-000075170) never changes.

Identity and time

Publication numberOT-2026-000075170 · never reused
Internal UUID01a0ae93-f1ff-767c-bf96-1bbf05f3a1bc · 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-2026-000075170
StatusPUBLIC

Content hashes

Canonical text4698ef990252f2c92990caa861f9b9c2c83c7f1b878fbc54f10948562814616b
Markdownb88b98a09197b3077569b79a50de75efb45f424a3d55bc1e15d9ef1e3427f4cc
PDF
Publication pageda23f3213967fbc82d1b22879bb3e4ec44611201b7f40b017ba7a012db7e941f
Manifest405790897ad41614b927122b177c36907eebc4ba35f8c0f2fecef0f92c636034

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
SignaturerDbrOijsqS9aVCj3ZtM4XkoVOD+r7noMMsSU9SwI8ULyXCCWV3ygkrH7KwdplRKLkNiCeuKeCkdpfoU468ulDA==
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

2026-09-17T10:20:25.059764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170
observed da23f3213967fbc82d1b22879bb3e4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.039469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170/manifest.json
observed 405790897ad41614b927122b177c3690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.021170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170/publication.md
observed b88b98a09197b3077569b79a50de75ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.004682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170/publication.txt
observed 4698ef990252f2c92990caa861f9b9c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.538510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170
observed da23f3213967fbc82d1b22879bb3e4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.520588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170/manifest.json
observed 405790897ad41614b927122b177c3690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.502609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170/publication.md
observed b88b98a09197b3077569b79a50de75ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.485195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075170/publication.txt
observed 4698ef990252f2c92990caa861f9b9c2...
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.