OpenTechnical

OT-2026-000095155

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000095155) never changes.

Identity and time

Publication numberOT-2026-000095155 · never reused
Internal UUID01a0ae9f-8f6e-7963-8b99-e861aab4e689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095155
StatusPUBLIC

Content hashes

Canonical text58e74e7b3e87b26dd9f0d626a6817f62391032ff8523970ea4bb2416c06a79ac
Markdowndad4dc94370309cfef7d236dc8886611860eefd341f4de9eed34e5efccc25d29
PDF
Publication page857e3afcbbaf9858113d7f07ff41ea93bcc6adee7fe7a01a5c9760052f0e4985
Manifest6477fb1dfe9ef960cfbbe46ef9ed2d4d3afdac5ce055ba0fb95410a95ab1989e

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
SignatureyKWSXQSDacDgWJliLpd5lxopq84DQ1p1hnWyb/mTb8kXcv194T2WgPFMe9PzbFkkblpaiJUCaf7jpjJDgV0kBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:27.506163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095155
observed 857e3afcbbaf9858113d7f07ff41ea93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.485921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095155/manifest.json
observed 6477fb1dfe9ef960cfbbe46ef9ed2d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.466663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095155/publication.md
observed dad4dc94370309cfef7d236dc8886611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.447415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095155/publication.txt
observed 58e74e7b3e87b26dd9f0d626a6817f62...
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.