OpenTechnical

OT-2026-000068753

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000068753) never changes.

Identity and time

Publication numberOT-2026-000068753 · never reused
Internal UUID01a0ae90-6dcb-76d5-bfbd-908740854ee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068753
StatusPUBLIC

Content hashes

Canonical text54de9f803ee5f4c76e752f54a1270fd53e3de27fe9ea3b72426411f6e378dcca
Markdown7a9282806edc9717dbcdd1f43e06b128240a594292a419c7863490440a495c97
PDF
Publication page2a7082d034a0b4dd7b987f5006d28bd88c9a0de60f42b33b83b47199aef13c20
Manifest118b20c7ae3ec55c022f7c5391297fbd3b45b2d517ca5cd334bdfb7759edf321

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
SignaturezUHGBC2N0Xe+0ClsLbgJBeiAAU4RDiQdO9DZ0vRSPmvd7hSiIi8k1DnKmGE5TpooFuZRiGah7Df3S7mz6Q3WCw==
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

2026-09-17T10:28:32.085707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068753
observed 2a7082d034a0b4dd7b987f5006d28bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.068755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068753/manifest.json
observed 118b20c7ae3ec55c022f7c5391297fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.049042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068753/publication.md
observed 7a9282806edc9717dbcdd1f43e06b128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.028304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068753/publication.txt
observed 54de9f803ee5f4c76e752f54a1270fd5...
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.