OpenTechnical

OT-2026-000080889

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000080889) never changes.

Identity and time

Publication numberOT-2026-000080889 · never reused
Internal UUID01a0ae96-b974-7872-9c73-64b8fc72fded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080889
StatusPUBLIC

Content hashes

Canonical texte364027433a4767b68f6f54e8dbb94a71b40cc49772f2c06d3daa7eea909003e
Markdownc5a6f6d562399629559ba4dbad6ea13a145feda083eeccd621cda5b216f5f9ea
PDF
Publication pageca2b60846c5f1f715ee370c77aa4e4b4c15b585afb34c3089ea30f45538831c3
Manifestccb2907a248d420df5d397f1acd3546df2eecd0777f53a868eb02a9021f6f561

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
SignatureSi4cwLteX3QZqcTx3DZSd+IjSIyx5sZaPyS4avwUjQ0eMAJ0QPX3GVoPfNUgzDWb2nr88FhH07TUiuz090U9CA==
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

2026-09-17T10:02:05.480836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080889
observed ca2b60846c5f1f715ee370c77aa4e4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.464035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080889/manifest.json
observed ccb2907a248d420df5d397f1acd3546d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.447223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080889/publication.md
observed c5a6f6d562399629559ba4dbad6ea13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.430368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080889/publication.txt
observed e364027433a4767b68f6f54e8dbb94a7...
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.