OpenTechnical

OT-2026-000052433

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000052433) never changes.

Identity and time

Publication numberOT-2026-000052433 · never reused
Internal UUID01a0ae84-5739-7074-9521-0c5c989275ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052433
StatusPUBLIC

Content hashes

Canonical text7e40323b28b004a929f1f331289b7f30eb01685305542839c908da51d98c98c0
Markdown6d6f273f546cbfedef486b62f437ec40ab460e5e0790365dc02a97fa78a29661
PDF
Publication page88b90b63c45e487728a00c0d7788838870f065b844b80ba37d741ce265663b7c
Manifest96bdaa8c6cb727afa46f4eff1f5638a93260b0b85f6412d5fc9f27ea5bb05b68

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
Signature7POhar+qnPTB8QdhyEIaywxWGSdfZAhPUYUwRY2Estc+AoRugksDy//PHRFUX8jKb1nNBVZhalHG9jZ6HDqoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:03.101666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052433
observed 88b90b63c45e487728a00c0d77888388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.083202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052433/manifest.json
observed 96bdaa8c6cb727afa46f4eff1f5638a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.065537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052433/publication.md
observed 6d6f273f546cbfedef486b62f437ec40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.047045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052433/publication.txt
observed 7e40323b28b004a929f1f331289b7f30...
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.