OpenTechnical

OT-2026-000067722

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000067722) never changes.

Identity and time

Publication numberOT-2026-000067722 · never reused
Internal UUID01a0ae8f-c4f9-7fed-bfb4-1b4f43cfb402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067722
StatusPUBLIC

Content hashes

Canonical text75187712902bb2965874653d63f6177b30d98683ac76a91c34513d27d613c61a
Markdown0d52f228ff1466da5eb7c7ea6697d7c55b86cb755e2418d5d514a9de6b2dbb5e
PDF
Publication paged97f8d3ab40bf83b7ba2160be9d42e4d4687a609c6d783202b4c565c3b2e7a9b
Manifest032192dc69fe31b5a2c99f108850dade0401520d8cebf2ed7eec4c253c09fa54

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
Signature7vtwZ5xLMuL2U75jvVyYnnbf90jEddaEBY4QrQ0KoxgQHbpWTQHmqocoWOa65ddbwWGfhwEU+Qo64W0pSwGNBw==
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

2026-09-17T10:29:56.185019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067722
observed d97f8d3ab40bf83b7ba2160be9d42e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.166378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067722/manifest.json
observed 032192dc69fe31b5a2c99f108850dade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.149191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067722/publication.md
observed 0d52f228ff1466da5eb7c7ea6697d7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.131884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067722/publication.txt
observed 75187712902bb2965874653d63f6177b...
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.