OpenTechnical

OT-2026-000054131

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000054131) never changes.

Identity and time

Publication numberOT-2026-000054131 · never reused
Internal UUID01a0ae85-b3a8-7a62-b37e-44711c56282a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054131
StatusPUBLIC

Content hashes

Canonical text32a5beabd3c5ccdf3df7227ed7042c5f5696d783c41490fe4b870977bb6c26dd
Markdown46c8627e307545424d5ae9d07b5e1e82060243934e9e5af1f3847abb5edec9e5
PDF
Publication page7ae43ef92f459e355be533f7f9429f965f5f88cdef9b3bb1139dabcf56ad798b
Manifest2a5acfbc63bb460a6f38c2def2994ee893c3fe0640f3606d7e1688ad93662815

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
SignatureiQV97KdSBJjk9nKhgkcgyafyh1TYMlrT1/bhzIDLoEVVL7zH4sL0wJzhRMapH/u8ckqduVybuK9WV2eGh3XEAw==
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

2026-09-17T10:54:33.489995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054131
observed 7ae43ef92f459e355be533f7f9429f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.469124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054131/manifest.json
observed 2a5acfbc63bb460a6f38c2def2994ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.446459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054131/publication.md
observed 46c8627e307545424d5ae9d07b5e1e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.426226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054131/publication.txt
observed 32a5beabd3c5ccdf3df7227ed7042c5f...
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.