OpenTechnical

OT-2026-000070811

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070811) never changes.

Identity and time

Publication numberOT-2026-000070811 · never reused
Internal UUID01a0ae91-8c2d-73dd-b0fe-e2cd5e1bc757 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070811
StatusPUBLIC

Content hashes

Canonical text1550a72faf76b63e97a29a1363f3c046980a7837138b2a642f5589dc3b8cc6ef
Markdown25a33884642901f2a67ba3cd8df95035375afd9347dd769a2845300f8457aec9
PDF
Publication page2ee48f738c8aa836c620b9b91b9a842cc5b9f990b73ae7e2df601f97406d0598
Manifestb553ccd53afc7f95130a82dbe86c096db1886e1c5368036ed68a95efa2069e4d

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
Signaturezhc7PVh9jHwCl7IAb0YrEmWGYGfOGLyFAE23MU8XWCM3upOqPM3kOBDPlNfmBo2t4+TA0KS5hqAsCVAEaA1kBQ==
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

2026-09-17T10:25:37.164600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070811
observed 2ee48f738c8aa836c620b9b91b9a842c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.146149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070811/manifest.json
observed b553ccd53afc7f95130a82dbe86c096d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.128667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070811/publication.md
observed 25a33884642901f2a67ba3cd8df95035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.109395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070811/publication.txt
observed 1550a72faf76b63e97a29a1363f3c046...
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.