OpenTechnical

OT-2026-000054000

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054000) never changes.

Identity and time

Publication numberOT-2026-000054000 · never reused
Internal UUID01a0ae85-b3a7-7cd8-9beb-d7e44336613f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054000
StatusPUBLIC

Content hashes

Canonical textc9155f6058ab9dfeeccb6c12d8455dc449aaf960ec5c9fcdbca015d8241db8fd
Markdown0b0ecaccaaabac6e906021107215036f983402505203b36be11634a90afd078c
PDF
Publication pagea6e241d0dd3535c2f6fe601acb8e14111efc4222f48d726aa6def5043eb22b1e
Manifestb93dc46423f92963ee83a15bf83035bab971a1bd84fd9f4920cf1ad31f2ddc01

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
SignatureAM8fMHqmj2XFHnHOsxGkAfLuNqlSy38XCWgLQgz+1KNXYjVpU1gKeFZK5m49r7Y9r/hmhLC/rnkDCLZpWKgoDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:19.781503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054000
observed a6e241d0dd3535c2f6fe601acb8e1411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.754934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054000/manifest.json
observed b93dc46423f92963ee83a15bf83035ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.715913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054000/publication.md
observed 0b0ecaccaaabac6e906021107215036f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.670310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054000/publication.txt
observed c9155f6058ab9dfeeccb6c12d8455dc4...
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.