OpenTechnical

OT-2026-000058230

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000058230) never changes.

Identity and time

Publication numberOT-2026-000058230 · never reused
Internal UUID01a0ae88-6edc-70ae-ba4f-d8c43f964fee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058230
StatusPUBLIC

Content hashes

Canonical text17e495779e05eba7e818e57a5ba0901128c5bbd5954a52e0043dbb144236ff6e
Markdown014553a4da36514d7311c605401b29e49d8ebafcda954ccef31a5963634367eb
PDF
Publication page2c83d2afa47a9a4fe0a360560d4d7060d8fb2231e9aef431504912894d8a90cf
Manifest2e0cb9569eec9a067f7709071b6826a47b5a52cf15ee4ed279c89032525c2253

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
SignatureAp6Rmf7gi2nOgpvjlUeUgmtG5uD760Cy74mJinBWcWBjVy+LZATuo2hFacJ2kwUHW64e6AH253F0JTXe/M1fBw==
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...

Independent retrieval

2026-09-17T10:47:56.371696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058230
observed 2c83d2afa47a9a4fe0a360560d4d7060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.353971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058230/manifest.json
observed 2e0cb9569eec9a067f7709071b6826a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.335258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058230/publication.md
observed 014553a4da36514d7311c605401b29e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.318478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058230/publication.txt
observed 17e495779e05eba7e818e57a5ba09011...
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.