OpenTechnical

OT-2026-000044519

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000044519) never changes.

Identity and time

Publication numberOT-2026-000044519 · never reused
Internal UUID01a0ae7c-39d8-7443-a616-e3dbd940cc2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044519
StatusPUBLIC

Content hashes

Canonical texta6d9b0cd688fbdf6bfc8da2250b68f7d8c8cf854ced72b542e797af8ab0ca5bd
Markdown989121aa21cac9c06d487a868bec073fdda613c4de0f2146cb28899291a8c3f2
PDF
Publication pagea78b828b18421249e7849f9bf2d8752818050d2deb3961977f94217c7ca8cf82
Manifest6909ba5ebe0cde64d5813c8c56560b33f2a52165a0b886ebc131e1e26a139b9c

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
SignatureOLN2jrsZBiaobLF61jWTnsCsbLe83xv95uMilSD9EAXKhPurH5MAOE/xvM3vhX2Cu1+cNVOvR82cJf0qzeMpBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T08:31:02.491874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044519
observed a78b828b18421249e7849f9bf2d87528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:02.475246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044519/manifest.json
observed 6909ba5ebe0cde64d5813c8c56560b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:02.328928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044519/publication.md
observed 989121aa21cac9c06d487a868bec073f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:02.310619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044519/publication.txt
observed a6d9b0cd688fbdf6bfc8da2250b68f7d...
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.