OpenTechnical

OT-2026-000061829

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000061829) never changes.

Identity and time

Publication numberOT-2026-000061829 · never reused
Internal UUID01a0ae8b-b8ac-7edb-8979-20c03f107bf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061829
StatusPUBLIC

Content hashes

Canonical textde819773623218cfe3073c9172be21054fc2bbbfe3805b2c3a7a8bf82c2116ef
Markdown0e26e6f69a7bac50fe2bc509e96bfb921cba74089039316148ee91876b2411f5
PDF
Publication page64a102eeeb1c4140899e5860d103598c9c708e8d5c41b960b4e94b0f50929a3c
Manifest8b01963a50a0d591318063aa2f124138c24a1b011aa7196bfff8b8055032909a

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
Signaturexhpcxds3PA7rTvRYkAaHXGJ16zIlimrEez1XuGS/UFk/Y562bs7kYKjGNH/KR+Sy0dJVyqMnJHH0Ce3SsgdWCA==
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

2026-09-17T10:40:34.057901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061829
observed 64a102eeeb1c4140899e5860d103598c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.031658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061829/manifest.json
observed 8b01963a50a0d591318063aa2f124138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.011432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061829/publication.md
observed 0e26e6f69a7bac50fe2bc509e96bfb92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.989257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061829/publication.txt
observed de819773623218cfe3073c9172be2105...
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.