OpenTechnical

OT-2026-000075086

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000075086) never changes.

Identity and time

Publication numberOT-2026-000075086 · never reused
Internal UUID01a0ae93-ac2e-7a9c-9fba-84e82b2e14a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075086
StatusPUBLIC

Content hashes

Canonical text65f6525b7ff991724e39ec30c45668dbf0f3cc934d354f11cd1052176a431d93
Markdowna8a5e2fc17a2636b41ae719cf1de9a7bf997fdcfcc49e953a53a6519897c6bbe
PDF
Publication page75ee80524a631f9b978feddb60b1f3c3a8991c9fc790bdfe56ed4e7d0824b69f
Manifestd786c3e528eef95d1af7abfe525684a3c0339b6f7367d846f1ff62d39839671b

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
SignaturebGkpJxag2b/l2XLkw6+/wPvbBg/D2tku7oBdLRKBKWECvhW7lXW5FMU3xtxXaiz73YIl8INDp+ko9mfxNGZdCA==
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

2026-09-17T10:18:54.507875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075086
observed 75ee80524a631f9b978feddb60b1f3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.490803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075086/manifest.json
observed d786c3e528eef95d1af7abfe525684a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.472416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075086/publication.md
observed a8a5e2fc17a2636b41ae719cf1de9a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:54.453984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075086/publication.txt
observed 65f6525b7ff991724e39ec30c45668db...
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.