OpenTechnical

OT-2026-000074458

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000074458) never changes.

Identity and time

Publication numberOT-2026-000074458 · never reused
Internal UUID01a0ae93-717a-767d-a527-592da1f71a23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074458
StatusPUBLIC

Content hashes

Canonical textd81b352877bbf421bc0b753ed63b01c4a29864a742e5172ba923f03e0e23a1c3
Markdowna2cbfdf6311f93dfcea490a74fc438dc9ca221271680efd078724a3a1bca9890
PDF
Publication page269424493e01c9793cb273ee8554912d746d1a6d0e7fe2df73a927dd14286756
Manifestcdd72f3553669d19e5f6a77a8d57275a525d51a4044a9fb2f935a368d1dcbaaa

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
SignaturelAex/5xNCtYc9FseTw25zm0AZ1QRY+TzV2wHiUyJqlgh5NILZuMeQN9i6XVnlL4HvDe1CeMGxD5ll3aDBlqTBA==
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

2026-09-17T10:18:56.523112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074458
observed 269424493e01c9793cb273ee8554912d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.505223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074458/manifest.json
observed cdd72f3553669d19e5f6a77a8d57275a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.486993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074458/publication.md
observed a2cbfdf6311f93dfcea490a74fc438dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.451835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074458/publication.txt
observed d81b352877bbf421bc0b753ed63b01c4...
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.