OpenTechnical

OT-2026-000082818

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000082818) never changes.

Identity and time

Publication numberOT-2026-000082818 · never reused
Internal UUID01a0ae97-8cc9-7cbb-9d68-e7139b9152ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082818
StatusPUBLIC

Content hashes

Canonical text1bc130dbd4ef8a1f5744e961c66734b2384ee5a6d2e26086c65a3eabef43e615
Markdown4a0f396800be44eaa743df2f89244897fa31af9646a2edd630ec90bd6a4f88a0
PDF
Publication page499f0d23080cac6142cff07fb76c1ad168e636592a2363e20b1349f000f1813c
Manifest556890d4f5793c4f50eb06af7343b739b2c99b08c51053e4b6fb696e55558142

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
SignatureDh8PwyCqrIbnWZeeuubdayK8Xxn09FiY0mmpB/zKqe7+unO5L+TAYQMQQAmkD/eds2p370QCyYmhHbH8VbUnBw==
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

2026-09-17T09:58:24.907088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082818
observed 499f0d23080cac6142cff07fb76c1ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.888948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082818/manifest.json
observed 556890d4f5793c4f50eb06af7343b739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.870179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082818/publication.md
observed 4a0f396800be44eaa743df2f89244897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.851980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082818/publication.txt
observed 1bc130dbd4ef8a1f5744e961c66734b2...
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.