OpenTechnical

OT-2026-000044848

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000044848) never changes.

Identity and time

Publication numberOT-2026-000044848 · never reused
Internal UUID01a0ae7c-911b-7f17-afa3-f6b0bcfedfd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044848
StatusPUBLIC

Content hashes

Canonical text7f6c05bac25d0a2eb18c890d07214e54368d3a7342d1318893305a62c0ccbdc9
Markdown8c9632708a1573a9ae57281feee87585db2163237690fde8aec3579765763c36
PDF
Publication page78fbb0e5ebf21f759be1efd0f70a55f3715f2d9167edead8fb07d4f6af721788
Manifestcbf9dd02dd73116d654258f65856828d309fd310f44fbc22b930267289c48c97

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
SignatureOxwTuynLkreqT9OAKXOdzE477fgrK84ZPfrT5iJ5yLFjzaLPyhs/p0/c4iD0QCvTPNODtSFENdhXmv4Xj7N0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:29.585877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044848
observed 78fbb0e5ebf21f759be1efd0f70a55f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.565688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044848/manifest.json
observed cbf9dd02dd73116d654258f65856828d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.546842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044848/publication.md
observed 8c9632708a1573a9ae57281feee87585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.514172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044848/publication.txt
observed 7f6c05bac25d0a2eb18c890d07214e54...
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.