OpenTechnical

OT-2026-000072199

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000072199) never changes.

Identity and time

Publication numberOT-2026-000072199 · never reused
Internal UUID01a0ae92-47c2-79b9-a946-c3cbf9610ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072199
StatusPUBLIC

Content hashes

Canonical textfbc7ff40d9cc65546e1ba830d8869896b15dfae123b065e656b4793ad8dc35e5
Markdown57692606248c7f61f27947bad858fa852e976b4599eb558d2dab181f7adda857
PDF
Publication page567f6d625d2dfe73c49ed5e5ac16e230b9be7b34149bdf58a422836f20d55cfc
Manifest8125dc53b391e0eb1d4be24b6390723b6c8df98c982bd02f968ffb70391866c1

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
SignatureRgXEgyGK4rzkx2cP7zl8TJyeNeBxy7t31MQvsa0ZG1NGULiBrWBgqHbWjyVnmoJ7Jp2lIJR5tIaPlZcmvxdtCA==
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

2026-09-17T10:23:18.090586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072199
observed 567f6d625d2dfe73c49ed5e5ac16e230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.072542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072199/manifest.json
observed 8125dc53b391e0eb1d4be24b6390723b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.055806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072199/publication.md
observed 57692606248c7f61f27947bad858fa85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.038269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072199/publication.txt
observed fbc7ff40d9cc65546e1ba830d8869896...
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.