OpenTechnical

OT-2026-000072315

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000072315) never changes.

Identity and time

Publication numberOT-2026-000072315 · never reused
Internal UUID01a0ae92-47c3-7217-aa72-52318ad4d5e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072315
StatusPUBLIC

Content hashes

Canonical text23a07a3329c90837ea81d80f47c610a6670387b11b0956e6ba9e8f554d320d06
Markdowne1b7bffd5e033830902e3057eb9da0468aa4617285672a0c26d8c5123b5d2443
PDF
Publication pageb571c9b314956c03227a82e8587547ce0e4ea1b7dc97bcdbd1a7f1d57f672e05
Manifest1afe82540ce3a8d8bc15176c91fdbbc2812cf6af5f6794b4474badd2a919299d

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
SignatureVYS6gZEH0dSY/Nneoy9YdHFEytcSiuriwT+Fg/AMDHVpkrZB8lspN3lIrqZSkQrJFFpIKX6rBAgIfBVn+lLkBQ==
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

2026-09-17T10:23:32.408741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072315
observed b571c9b314956c03227a82e8587547ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.391711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072315/manifest.json
observed 1afe82540ce3a8d8bc15176c91fdbbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.374896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072315/publication.md
observed e1b7bffd5e033830902e3057eb9da046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.357161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072315/publication.txt
observed 23a07a3329c90837ea81d80f47c610a6...
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.