OpenTechnical

OT-2026-000101220

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000101220) never changes.

Identity and time

Publication numberOT-2026-000101220 · never reused
Internal UUID01a0aea3-c378-7b6f-9d6f-86275377be31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101220
StatusPUBLIC

Content hashes

Canonical text266349476a9f5d2cc5002cb336a8243bd2a5854afabb7c03380333b2bd5dc57f
Markdownc157d56de1a46cc81aecef652e211cd29d0076b45995ec6fc91f65aaab7a6211
PDF
Publication page4fd08fa056cbaea6177198649584dd13c61b145276371155ee9c579c45d78e52
Manifest747030f93534114a6d70e1158ca165851461ce07ab36dbe9011c4adf398534f7

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
Signaturel5Pd4e8SUrKSGjwrxKcDWoTTGz0d2CGmQLWAqj8EKBiZjFiwYsht4E5TbDZ9AzWt1Q2eEXD6MKV4CS7SQFrsDQ==
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

2026-09-17T09:26:52.543298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101220
observed 4fd08fa056cbaea6177198649584dd13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.526860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101220/manifest.json
observed 747030f93534114a6d70e1158ca16585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.509482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101220/publication.md
observed c157d56de1a46cc81aecef652e211cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:52.492400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101220/publication.txt
observed 266349476a9f5d2cc5002cb336a8243b...
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.