OpenTechnical

OT-2026-000061266

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented after 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-2026-000061266) never changes.

Identity and time

Publication numberOT-2026-000061266 · never reused
Internal UUID01a0ae8b-1382-7712-88f6-161239f7e7c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061266
StatusPUBLIC

Content hashes

Canonical textb02cd97a44b801e912f800699e1495325d8a0952a0ebbd81f01a2b4bfa4c5366
Markdown3253f8ad625827f849be7498d17a8c3d62d64f7555c01d3e4ffbd363a37ee0e7
PDF
Publication page3cbfd5efe8c415ee77be392cd9ef57c81814b133c8420583f3211932934e4686
Manifest67a0ade4f45e31dfe1e14765d6b7eb9ea9bf2505fee96de932b69a0ad7c4e139

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
SignaturevWGVWIhuN0h0Y1tRQqs/tpvp4ZjQuyXt/D/Jj6AKTt2NH1pGlTNDRAsEBi3Nb6HBKrZ0CaJBUAxkNd6AcM/pCQ==
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

2026-09-17T10:42:41.128333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061266
observed 3cbfd5efe8c415ee77be392cd9ef57c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.108872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061266/manifest.json
observed 67a0ade4f45e31dfe1e14765d6b7eb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.090644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061266/publication.md
observed 3253f8ad625827f849be7498d17a8c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.072880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061266/publication.txt
observed b02cd97a44b801e912f800699e149532...
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.