OpenTechnical

OT-2026-000073858

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000073858) never changes.

Identity and time

Publication numberOT-2026-000073858 · never reused
Internal UUID01a0ae93-2b8e-7fe7-b511-bcafcc923ff1 · 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-2026-000073858
StatusPUBLIC

Content hashes

Canonical text746564818f3c87c5d2a049b78f816f165410709ed26bb8d16ed9b3074b618299
Markdown26181c939a0ad1b43480c3066ff1194f4f16191278a7eb6f8c228d28740be150
PDF
Publication page0c39f6565c149d355f1e867211d649da68dac7562488e68551067144b5e3ca99
Manifestd0caf1096864f2ed33cbd2e166dbcebe7f7f9b73912ae62b391b4d67d5a5ee75

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
SignaturezlMrl9CMxTOv43AEdeGDW09i+VaizUuFYkAy9smYtLdnvc+gGOAe5WvTUpaqZFY68wDna1J+pebzPso+DKhTCg==
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

2026-09-17T10:19:59.965370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073858
observed 0c39f6565c149d355f1e867211d649da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.946136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073858/manifest.json
observed d0caf1096864f2ed33cbd2e166dbcebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.928134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073858/publication.md
observed 26181c939a0ad1b43480c3066ff1194f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.909454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073858/publication.txt
observed 746564818f3c87c5d2a049b78f816f16...
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.