OpenTechnical

OT-2026-000027923

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000027923) never changes.

Identity and time

Publication numberOT-2026-000027923 · never reused
Internal UUID01a0ae72-a4a5-738c-8425-9093b7221e9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027923
StatusPUBLIC

Content hashes

Canonical text8213b1af661758f58c3ba64c3e70aa9dfc95c1d6bc87b27ff9cfb591160f9b90
Markdown72f98d90e33438fd1d582569182d4112d277d4a17898cf2093d7f69b1011e173
PDF
Publication page3fb4bd7cec6defcb7712d9d3b8c6d05da36640c4245d5aaf77193006b3e499a2
Manifestf87a61cfe55f0232eb610a54ac3d8867c74a58fafa74931900cc55efcf7a5876

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
SignatureILUveMvQaU6ptAgTXF0FirluqxXpi7ux/hcDsweIjwXvMtQI6T82zOkLr8XnmM8QwzdwDn5PSrPCqlwuSwOpCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:42:06.092102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027923
observed 3fb4bd7cec6defcb7712d9d3b8c6d05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.074954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027923/manifest.json
observed f87a61cfe55f0232eb610a54ac3d8867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.057544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027923/publication.md
observed 72f98d90e33438fd1d582569182d4112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.039198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027923/publication.txt
observed 8213b1af661758f58c3ba64c3e70aa9d...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent