OpenTechnical

OT-2026-000062636

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000062636) never changes.

Identity and time

Publication numberOT-2026-000062636 · never reused
Internal UUID01a0ae8c-0ac1-7644-9874-0c8346222d6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062636
StatusPUBLIC

Content hashes

Canonical text93b4e529820e0f44be8dc4b6e730d44a2b8bd8069ace5b68a34d974776978484
Markdownecdd0a1446bc1b62307a10d8d0532fe2c998cfe9ff9f55e2e560d356a8463b5a
PDF
Publication pagecccd9a88be14faecb536953e92bcf5225bf5db7389cedaa2b37196c64d432e1e
Manifestf2f60b4694cbcff949af896d75b45897ff188c52238469bf359af7186cd2f2cf

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
SignaturehrTdf4SSbgmC46iGZPBJwZvnZNid0Qg235GsIS7atcD3U5ZmZ+pZ3DjjV7H+6QNrCpCEgq35sn+U/NPdyeLvDw==
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

2026-09-17T10:40:09.866181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062636
observed cccd9a88be14faecb536953e92bcf522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.167518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062636/manifest.json
observed f2f60b4694cbcff949af896d75b45897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.144934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062636/publication.md
observed ecdd0a1446bc1b62307a10d8d0532fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:09.118313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062636/publication.txt
observed 93b4e529820e0f44be8dc4b6e730d44a...
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.