OpenTechnical

OT-2026-000052851

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000052851) never changes.

Identity and time

Publication numberOT-2026-000052851 · never reused
Internal UUID01a0ae84-a42e-796e-aa8c-ca16416e5814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052851
StatusPUBLIC

Content hashes

Canonical text913c35700b51709f80faa996a5501876062b1c075f8eed8dde100669e11fb904
Markdowndd13bb895946ed812b19e2f529367c401099396dc6801b55d1dd7f0d9fa12860
PDF
Publication page72a5648257363675ceb856b72067e9c0cb24f4e5ac06c676b68540ca3ecca13f
Manifest6152a7f146563dd030af34a11ec369d12e77d40993b82e4b688f6a48438ce18d

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
SignatureDHSltyGJrnhewvythW88/JnvY+cXZKxchhYnJMns1V/iQWkw9ifCPWPJekE0tiBFBZtKrrKJtlOV6f0jrTwZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:28.783526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052851
observed 72a5648257363675ceb856b72067e9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.765665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052851/manifest.json
observed 6152a7f146563dd030af34a11ec369d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.744871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052851/publication.md
observed dd13bb895946ed812b19e2f529367c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.724959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052851/publication.txt
observed 913c35700b51709f80faa996a5501876...
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.