OpenTechnical

OT-2026-000103997

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000103997) never changes.

Identity and time

Publication numberOT-2026-000103997 · never reused
Internal UUID01a0aea5-15e8-72e3-b984-7c71e4a30ab4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103997
StatusPUBLIC

Content hashes

Canonical textc245fa3346fd91539cfddae33ca6e7a29dc575f9aa8c96f5143fea29645a8fd3
Markdown035780e8212c0b7d231a072d837d909280788f8212930dfd734f540941551fb2
PDF
Publication pagee5298443a3f83553bad58f92fd5825215abaa403afd7dd2dbf2f409c343736c0
Manifest3280a0f31030f8528061046770bc2b85cebd7fc3caa2e5fd6205cc1808f0bcb4

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
Signature3UuK6nOb7WtCYH1Bt+P6CKJj7t6nEYwTP2IVt4+xg+E1xqHo+2pYsIQr78+WtocWmIPMMVG9XzNab5X8HTC6BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:00.261815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103997
observed e5298443a3f83553bad58f92fd582521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.244458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103997/manifest.json
observed 3280a0f31030f8528061046770bc2b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.228976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103997/publication.md
observed 035780e8212c0b7d231a072d837d9092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.213629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103997/publication.txt
observed c245fa3346fd91539cfddae33ca6e7a2...
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.