OpenTechnical

OT-2026-000045450

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000045450) never changes.

Identity and time

Publication numberOT-2026-000045450 · never reused
Internal UUID01a0ae7c-f76d-7c6f-9abd-11b865cc566a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045450
StatusPUBLIC

Content hashes

Canonical text1636b96b5146ca4dfc878065e43b7b35e7ef8c1d684b4a124c9db5b26d5dca17
Markdown59782e056f0c07d4a7e4da4ea05dd087cbdac911f01d8a8aa681ec9c62c79a7b
PDF
Publication pagec1e63417426e7db110987681ca150cad47a4b93f86a22bb3b3f6e53aaf419665
Manifestd20a1034e2670860e76847f958301e3535ff6da6524d151601630dcfd8c3966a

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
SignatureGRSlkysHpt3KafZ2vXIxDsdkjngMTEHKsN2giEYkschgipwNB7DRgE7+I8XzOPCY4Kj2I8NdvtQLEtQkv2x+DA==
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

2026-09-17T11:10:45.174047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045450
observed c1e63417426e7db110987681ca150cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.155708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045450/manifest.json
observed d20a1034e2670860e76847f958301e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.136712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045450/publication.md
observed 59782e056f0c07d4a7e4da4ea05dd087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.117153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045450/publication.txt
observed 1636b96b5146ca4dfc878065e43b7b35...
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.