OpenTechnical

OT-2026-000048955

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000048955) never changes.

Identity and time

Publication numberOT-2026-000048955 · never reused
Internal UUID01a0ae81-134c-7303-a7c6-c73f1af49935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048955
StatusPUBLIC

Content hashes

Canonical text42c60c513fbdd5a763d198964285c39eb5dfdf552e6d183ee00945fea79708cb
Markdown5bb62fab40570b91f6b84cde8c37c2ae1cab7401ec34c096e98baa8048300398
PDF
Publication pageb74ae4d9b5eaa41a95556adda256788c4079d90727993996eac599ee33afa9ae
Manifeste5b70015494a31420a497725218855fcb9b7536f9fc68bdffe03db3f03a5da65

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
Signature/LWeZygp+jQpEX0oKH/B7BFfsftdvLz4Fn6PCenDMixrl5VuOJA55itN4WUITx5tpOMXuBXkDtTDkXrQduLcDA==
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

2026-09-17T11:03:08.850069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048955
observed b74ae4d9b5eaa41a95556adda256788c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.829230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048955/manifest.json
observed e5b70015494a31420a497725218855fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.810565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048955/publication.md
observed 5bb62fab40570b91f6b84cde8c37c2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:08.791870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048955/publication.txt
observed 42c60c513fbdd5a763d198964285c39e...
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.