OpenTechnical

OT-2026-000075718

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000075718) never changes.

Identity and time

Publication numberOT-2026-000075718 · never reused
Internal UUID01a0ae94-29fd-74df-a5ca-e63734b43b76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075718
StatusPUBLIC

Content hashes

Canonical text1d425bd60da51c3bda2fdd791852c5db5e18c28e1ca05185de25cc6625d78e0f
Markdown2442397dce2fce86ba4485f1add4e38bd14948946231bdb326c78b16f0af3f00
PDF
Publication page5e8e2d74a022e011782bcd5f076ddc359bb44b790a589049f07ef0e681f4973e
Manifest7df6e50795ca8984b12a1c467ab13f7f08ddcfecdb18e96ea0cf997b1c14e026

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
SignatureY3cCFpDxki2AB252isqYLpvtnVv29eTZSO788yI5gaW0qjs7HeX73zjQJDkbqIXNq9LIxVGaRk89bGgn7l2/DA==
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

2026-09-17T10:13:57.765378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075718
observed 5e8e2d74a022e011782bcd5f076ddc35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.746820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075718/manifest.json
observed 7df6e50795ca8984b12a1c467ab13f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.726222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075718/publication.md
observed 2442397dce2fce86ba4485f1add4e38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.705928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075718/publication.txt
observed 1d425bd60da51c3bda2fdd791852c5db...
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.