OpenTechnical

OT-2026-000102729

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off 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-2026-000102729) never changes.

Identity and time

Publication numberOT-2026-000102729 · never reused
Internal UUID01a0aea4-858c-7119-9e5a-a056379b0700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102729
StatusPUBLIC

Content hashes

Canonical textdae54e488b149479bba304bde1d7fb1c98a5be2da6d148a4e627bd7b597674db
Markdowndf44490063978d5c65140c4ab34f24940a08d4cbba26a80d30772c3a2d2cb504
PDF
Publication page5c7b7fcedf8423ca6b4c05f928e26759196d595ada0b9de8d789b918f63c77a3
Manifest96b88d5cecb19d1bc4ee30a72b15dc5937d7c3983a7476d899224729903f3e07

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
SignatureSWBRKUZx7VcVZqhpX4wWFZ95u58fIJINk1+/arw8MlU498ca3UU/fZq9LhPmEU/QNmg/Erlbf0DHDO1HwBuoDg==
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

2026-09-17T09:24:14.755957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102729
observed 5c7b7fcedf8423ca6b4c05f928e26759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.736828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102729/manifest.json
observed 96b88d5cecb19d1bc4ee30a72b15dc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.718618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102729/publication.md
observed df44490063978d5c65140c4ab34f2494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.700693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102729/publication.txt
observed dae54e488b149479bba304bde1d7fb1c...
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.