OpenTechnical

OT-2026-000070227

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000070227) never changes.

Identity and time

Publication numberOT-2026-000070227 · never reused
Internal UUID01a0ae91-545e-7d7f-bfa8-f24bc7003638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070227
StatusPUBLIC

Content hashes

Canonical textf9b5b1e66a18de2c67c4f459790d7c31216117f8ac90c220ccb38c929f633161
Markdownd36634d5e17440f2ec50c076e2685dc26a121f1d15daeaa3310a9e458d06111a
PDF
Publication page591e2a387e55001250a5e1745e1d99e8a659836eba499d50aeb26d498c2df2fa
Manifestaf15a45599760defabc033867585fa8c68f5788637a11468820f4f16dee8f8a2

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
SignaturegyfIF5B9sT5R4XLImQxcojDLZ7jOzTNNtN1admpLi03rXCB2SUnJnr0S0/T2jW3gUQubB2mmSbEsxsusQdwSAA==
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

2026-09-17T10:25:59.874497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070227
observed 591e2a387e55001250a5e1745e1d99e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.857110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070227/manifest.json
observed af15a45599760defabc033867585fa8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.838678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070227/publication.md
observed d36634d5e17440f2ec50c076e2685dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.820105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070227/publication.txt
observed f9b5b1e66a18de2c67c4f459790d7c31...
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.