OpenTechnical

OT-2026-000075012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000075012) never changes.

Identity and time

Publication numberOT-2026-000075012 · never reused
Internal UUID01a0ae93-ac2d-7787-9977-3d69e60c9857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075012
StatusPUBLIC

Content hashes

Canonical text38e45660e91b7ce0a0fd326bcc95729d49356c9baac7eb8298c23fbc071a236e
Markdownfb44f34e99b1e133eb0f2ae510717680282246116aa2541d89b03c72d4183e41
PDF
Publication pagec58c7c1e5a05af8f184bd541a51421f03128516d93484af9d76ceb13cf41e783
Manifestd21989780a32d596d06b3bf3a188e5ab4784b57c3a4be24ba5eb843f1d088b7f

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
Signaturew47Gq1RSJpngiBvjAK1jeOTeJ4WUON46iKz2686RQUPhzQFqz0UpPOfszEAvp0oLJVjgOY2ot9Tp7lY6t3McDg==
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

2026-09-17T10:18:49.393935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075012
observed c58c7c1e5a05af8f184bd541a51421f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.377775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075012/manifest.json
observed d21989780a32d596d06b3bf3a188e5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.357528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075012/publication.md
observed fb44f34e99b1e133eb0f2ae510717680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.338807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075012/publication.txt
observed 38e45660e91b7ce0a0fd326bcc95729d...
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.