OpenTechnical

OT-2026-000039436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000039436) never changes.

Identity and time

Publication numberOT-2026-000039436 · never reused
Internal UUID01a0ae78-9675-7213-9db1-68b25d1d3c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039436
StatusPUBLIC

Content hashes

Canonical textecd445ce69d667ea1d8996be87345fdd46ff84dcae0df14a12b451790dc21e1a
Markdown0407c4fd504add0f545e117a48d67f4f120f4e9806dbfefaffc740bdbf5fa7a4
PDF
Publication page50e282a2baad3dd9933320e25700834701bbf5d8e9e61bdaa0b8a77a01ab60c0
Manifest2388e4fda783357936bd9e3a0440a2f12cca1d8ef960211ade848f0ddefab275

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
SignaturedcgfLVNtcPL2wJms/OyZfshTws96vIR+OBakeRHPRCBeBxfKrReapUkn7uajvdBTYjEEheZTVubu1Vjvy7tYBQ==
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

2026-09-17T11:21:03.247841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039436
observed 50e282a2baad3dd9933320e257008347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.231160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039436/manifest.json
observed 2388e4fda783357936bd9e3a0440a2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.214028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039436/publication.md
observed 0407c4fd504add0f545e117a48d67f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.195693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039436/publication.txt
observed ecd445ce69d667ea1d8996be87345fdd...
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.