OpenTechnical

OT-2026-000072482

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000072482) never changes.

Identity and time

Publication numberOT-2026-000072482 · never reused
Internal UUID01a0ae92-89d8-779a-9e80-6177a618745b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072482
StatusPUBLIC

Content hashes

Canonical text1c794ea54ed5196a27967779d3733c57203f4f23053e768ac7d0e2d44041d241
Markdown1129978b619c27772d7404ed081f62f47779513b7afbdc20cd5ccbf99400dfd0
PDF
Publication pagebc01ac40e7c77f44caf9e462985759c5ba0cbf67ae304a5b712c71b9aff3cd05
Manifest403c0bbcf48b6069384d941e97931cb65e6e2c425a2a0fd478ef2912ce721d45

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
Signaturea3y0rkzvVlqrQOmXt9bDXMbcPMzzCWjWXWhhpl42H32KYfbWbQM9Zei8BEQxPk6oanI4ReIRY1i6LqEIlwpHAQ==
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

2026-09-17T10:22:17.392820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072482
observed bc01ac40e7c77f44caf9e462985759c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.375595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072482/manifest.json
observed 403c0bbcf48b6069384d941e97931cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.359133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072482/publication.md
observed 1129978b619c27772d7404ed081f62f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.341386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072482/publication.txt
observed 1c794ea54ed5196a27967779d3733c57...
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.