OpenTechnical

OT-2026-000091522

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000091522) never changes.

Identity and time

Publication numberOT-2026-000091522 · never reused
Internal UUID01a0ae9c-f16e-7386-b3f0-5587c932fde9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091522
StatusPUBLIC

Content hashes

Canonical textf976b156a4b4baf28215a98ff4968802730b3dc31ab68b488fec5ea2c5bb669d
Markdown82fba712e3202a1b1d84c23412353b152e07d8cd1b32f798ada7f30f51cbc0ca
PDF
Publication pagea166ac7c9ad6033c6157f35b53fa7aa2e596a6e9aacb5cd9c48263a50d463ce1
Manifest2b91a0340b680fe36d016b79c60b8d2cdde3bcda4d90fa74cd5a86fb3bde8dbd

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
SignatureXF22gWff6lP7Nd9OLkRQrz8h3/oNAk+7G7Np1vBl1ZkdsDFTbKtQKDFDqi6Oyh3G2hJxczPH99Mde/Hn8oYQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:47.269892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091522
observed a166ac7c9ad6033c6157f35b53fa7aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.251873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091522/manifest.json
observed 2b91a0340b680fe36d016b79c60b8d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.233839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091522/publication.md
observed 82fba712e3202a1b1d84c23412353b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.217589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091522/publication.txt
observed f976b156a4b4baf28215a98ff4968802...
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.