OpenTechnical

OT-2026-000062181

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000062181) never changes.

Identity and time

Publication numberOT-2026-000062181 · never reused
Internal UUID01a0ae8c-0abd-7641-a6ae-012272554b74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062181
StatusPUBLIC

Content hashes

Canonical text8b2a87d88314b82cc0ad0d5b268225cb77bc8db498604b46f0fa8e0b325e4f3f
Markdownf7705c11976bfbf11347e2c2d0d9dd2231794ea7a18d3a7098917a94bd4c4afe
PDF
Publication pageb38f36c2f91ac4e3a526fbecd2105c1e2b40febb90cdd68322fed97798868559
Manifestb2be25c437d9ce7b6bd0903b07bf092506869b788e784cc4f469c0f4037f62cf

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
Signatureb2gl3i+0DckjAbH6tGaMvKe27USEW9FfPd54DOWkqCeT7Qa4mJMXyMeC4646ZJqTCobKtxTFB+Clbi8Mnw3cBw==
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

2026-09-17T10:39:26.366241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062181
observed b38f36c2f91ac4e3a526fbecd2105c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:26.345133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062181/manifest.json
observed b2be25c437d9ce7b6bd0903b07bf0925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:26.325637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062181/publication.md
observed f7705c11976bfbf11347e2c2d0d9dd22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:26.306596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062181/publication.txt
observed 8b2a87d88314b82cc0ad0d5b268225cb...
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.