OpenTechnical

OT-2026-000073744

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000073744) never changes.

Identity and time

Publication numberOT-2026-000073744 · never reused
Internal UUID01a0ae93-2b8d-7a8a-9fc9-63752bcb81f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073744
StatusPUBLIC

Content hashes

Canonical texte896fb826d9684427d8287dd13c4678c9126a4c414413b03161f7c5d6050cc28
Markdown35c2e254888fe2a64c18f5711db07b5f3f07967cc41dedec2f3399c660979453
PDF
Publication page7f6e62d94031abb721f6e7157bd0bc4bbdbd0434e2a7687938ec1a9b7281d3a9
Manifesteb3d1edf062d6bad49aee1dc42eb5abbf2e90f30fc86585615f1de2a3e631b1f

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
Signaturehx9buCkuO6n5mS5xBeomb8mo21W1phmXjnoVDUWwjmJZomN8f4/YQHHzcdGwn4s+mePSdu3xNOIZwmK1iu3TCw==
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

2026-09-17T10:19:49.746006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073744
observed 7f6e62d94031abb721f6e7157bd0bc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.726152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073744/manifest.json
observed eb3d1edf062d6bad49aee1dc42eb5abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.702247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073744/publication.md
observed 35c2e254888fe2a64c18f5711db07b5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:49.683313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073744/publication.txt
observed e896fb826d9684427d8287dd13c4678c...
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.