OpenTechnical

OT-2026-000053283

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053283) never changes.

Identity and time

Publication numberOT-2026-000053283 · never reused
Internal UUID01a0ae85-0a15-75f9-9a9c-98615d5abfd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053283
StatusPUBLIC

Content hashes

Canonical text6ee7b8612372f216ede2a54e3fab3df340bba12ba1be1c0bb8cf86efc57330f1
Markdown0fa6fdb867cd1dffa936a8c854ebdb50faafdb7a5562c686e1b27cde1b9084cd
PDF
Publication page66a01cb1094845e032ec66daf4414a208f5c0217ce264698dd94db9633903104
Manifestef7fd59a93ba6e94e3d1288cc5c22daaf7899959ff1322f77308ca1188535229

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
SignatureGKTEcGYRmLY2hPcyrwA4mECJInP8AOhoJOLYzhZL0zrTE/bOWyXx/Q/VVUmqP+f/+lD6+Ww3ZFQDSW4QOVyUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:58.023973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053283
observed 66a01cb1094845e032ec66daf4414a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:58.003540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053283/manifest.json
observed ef7fd59a93ba6e94e3d1288cc5c22daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:57.983860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053283/publication.md
observed 0fa6fdb867cd1dffa936a8c854ebdb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:57.965430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053283/publication.txt
observed 6ee7b8612372f216ede2a54e3fab3df3...
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.