OpenTechnical

OT-2026-000054267

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000054267) never changes.

Identity and time

Publication numberOT-2026-000054267 · never reused
Internal UUID01a0ae85-b3a9-715c-9943-5b70082eb30b · 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-2026-000054267
StatusPUBLIC

Content hashes

Canonical text0a52728ed08b19d43a959ce99b9ba58b499174a172792775f3e88a3704927ff9
Markdown64fa48b74a2eb1e4849cfce5728659c601032d4f4c25f783fe637c4679ba70b2
PDF
Publication pagea6fc06421c05207c45ece0a3a4c9d4380dce2f5ee7f6f55c8f4152ccc375cfa6
Manifestfddad3708cc49516f623569b284c611bf438f41ed83520fceba290da12f2a12b

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
Signature94+wLcVixUdqq4klz5h8zWaBfI/cn81J6x1xwttChWxSFFrU+IAdk8OFZRUwKrf97yL1oS2b9Y32IXrdCJfeBA==
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

2026-09-17T10:54:45.519498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054267
observed a6fc06421c05207c45ece0a3a4c9d438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.501807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054267/manifest.json
observed fddad3708cc49516f623569b284c611b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.482054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054267/publication.md
observed 64fa48b74a2eb1e4849cfce5728659c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:45.464600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054267/publication.txt
observed 0a52728ed08b19d43a959ce99b9ba58b...
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.