OpenTechnical

OT-2026-000074822

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000074822) never changes.

Identity and time

Publication numberOT-2026-000074822 · never reused
Internal UUID01a0ae93-ac2c-79a3-9f32-36324882a800 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074822
StatusPUBLIC

Content hashes

Canonical texte1f3d2784f6758a9ab85049eec33f29f8610ea6a5dd8ad43eead90a85c8f6ae5
Markdown4a6091b18f144f2cf589f58d5a3ae7bc091d04185e9d3b704aa4797cdf4b5196
PDF
Publication page463c7b4b392cd108d298fa92fe817fb045848cf9ab86d7dbb84d151e2f9b9840
Manifestd603fb8f7fd47c7758ee4e89787b3e406b333c27d1ce93a7573f7ef76c1337d4

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
SignaturepTMlZFJQLDbL8NXmsPByqwOSYOY3tdUcJ5Yh9PZ4GjEQ99zvmb/QSqjmtssU2KTd1wT5AylZCOwm334Pioa/CA==
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

2026-09-17T10:18:31.878202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074822
observed 463c7b4b392cd108d298fa92fe817fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.862479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074822/manifest.json
observed d603fb8f7fd47c7758ee4e89787b3e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.846476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074822/publication.md
observed 4a6091b18f144f2cf589f58d5a3ae7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:31.824360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074822/publication.txt
observed e1f3d2784f6758a9ab85049eec33f29f...
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.