OpenTechnical

OT-2026-000045503

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000045503) never changes.

Identity and time

Publication numberOT-2026-000045503 · never reused
Internal UUID01a0ae7c-f76d-78cc-9e94-f4a8ba04444c · 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-2026-000045503
StatusPUBLIC

Content hashes

Canonical text9aee3875d2b0740e62953d4f5e9b4c01cd7282c749bddaece6c9bde51a6b5a20
Markdown0d328c6c13214477d2ecce0e304e4642f497ca6838947ecfce36935a80681f8c
PDF
Publication page5a361d6a3bbb107fe6f961275c64f1657d7ff8f7ace481892aab7dc917750f68
Manifest570a8d3b679734f890e706fc176c708af0c5f64c33be58effced28a8032544c9

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
SignatureoKVlvMO4l7YNcLsbvnYMR1kpsL3r0pCXQW2TPWFhDPGg5aRbexd9qFD2M0y6puZ5YjLKLAhJMcdIpmatVlbxCQ==
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

2026-09-17T11:11:19.338390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045503
observed 5a361d6a3bbb107fe6f961275c64f165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.320688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045503/manifest.json
observed 570a8d3b679734f890e706fc176c708a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.302157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045503/publication.md
observed 0d328c6c13214477d2ecce0e304e4642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.284914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045503/publication.txt
observed 9aee3875d2b0740e62953d4f5e9b4c01...
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.