OpenTechnical

OT-2026-000045123

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000045123) never changes.

Identity and time

Publication numberOT-2026-000045123 · never reused
Internal UUID01a0ae7c-f768-72e8-aa09-9cc4c1d06d35 · 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-2026-000045123
StatusPUBLIC

Content hashes

Canonical text23a5e063973f70c8b9d072ebd772ebbb455f081d38bc8d43185c559142db0237
Markdowne90fcaaffa4e64caba462b9072c6b179a96d2b4930f0ea2087c33ef21e94b8e9
PDF
Publication page8a8dabd0f0ccf130eedc9916db3c7e0a5dd60fd3d0f793f353e3d7ddfdd13563
Manifestf8d874fcd2b403ed17729709691c20412d246da11ba556b0f61277352e2d06de

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
Signature6S+A7oDE5r4MlMs2lz9yuvj4jcMdVoWydb3EwkAJRDLfAanGpyz73CWfGTyv2o+UGt+BkZDdw+JzZSx7kkMsBg==
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

2026-09-17T11:10:16.130812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045123
observed 8a8dabd0f0ccf130eedc9916db3c7e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.114240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045123/manifest.json
observed f8d874fcd2b403ed17729709691c2041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.094986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045123/publication.md
observed e90fcaaffa4e64caba462b9072c6b179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:16.077171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045123/publication.txt
observed 23a5e063973f70c8b9d072ebd772ebbb...
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.