OpenTechnical

OT-2026-000074569

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000074569) never changes.

Identity and time

Publication numberOT-2026-000074569 · never reused
Internal UUID01a0ae93-717b-7062-9f2d-08fc74736841 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074569
StatusPUBLIC

Content hashes

Canonical textbc3e7b4a3999799b01e65d04b0ae301a4cc2ca44eb3bcce9395c18cf9a1ae90d
Markdown08a5312921c0b5da0a3cc4814fa1596a8cc0632ad4b400217ec44a630c6ec9c8
PDF
Publication pagea371e246141322f224e01267293c796b2df3dbf97b3ab96c39ca22e73f47adc8
Manifestd4e7b737ab8fa69c4e734782bda146893c33a6fc7e2cbbd277cab50be471366d

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
Signature2DuE5wmuMM+bc3p2JuhB0kmQ9BRokslMDFZEmz0N4LfEvVAYjHzwUdeHh57Kxo5oWCHzW1R9l/QjzfgjHIe6Dg==
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

2026-09-17T10:19:35.150055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074569
observed a371e246141322f224e01267293c796b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.131265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074569/manifest.json
observed d4e7b737ab8fa69c4e734782bda14689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.114481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074569/publication.md
observed 08a5312921c0b5da0a3cc4814fa1596a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.097658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074569/publication.txt
observed bc3e7b4a3999799b01e65d04b0ae301a...
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.