OpenTechnical

OT-2026-000083732

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000083732) never changes.

Identity and time

Publication numberOT-2026-000083732 · never reused
Internal UUID01a0ae98-0417-7f60-aa07-8508c1adbc3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083732
StatusPUBLIC

Content hashes

Canonical text42a27d43b7d67782f09621ed3353995b6fa4b5a6ca430a79fbf2d14e337eb6e5
Markdown4f7ccba41b9e8f7b06c3d433f3db02a19fe7c3ccfd48c69ba353d70c2052fb2a
PDF
Publication pagec984e595cbf45c9f95b34174c0a944eb0808e43db9095acc86dbfa533577299b
Manifest5764bbe8a6c8cc4d49afdcc7853332ecab92dc32f59bc9a2eb99535b0d419e2c

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
SignatureR1rEnj2FuLpc3apScpGmpusV2MY7AAZA9nBhXtOjzjrsxUCywPGqeOS5JtFXMuty5InJdgKeabrmT44s98/6Cw==
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

2026-09-17T09:57:21.989135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083732
observed c984e595cbf45c9f95b34174c0a944eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.973209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083732/manifest.json
observed 5764bbe8a6c8cc4d49afdcc7853332ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.955686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083732/publication.md
observed 4f7ccba41b9e8f7b06c3d433f3db02a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.938558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083732/publication.txt
observed 42a27d43b7d67782f09621ed3353995b...
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.