OpenTechnical

OT-2026-000068970

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068970) never changes.

Identity and time

Publication numberOT-2026-000068970 · never reused
Internal UUID01a0ae90-6dcd-7569-8afd-16af1c624d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068970
StatusPUBLIC

Content hashes

Canonical textc745b5f85b655278b3e180f7fd3bddd9f481eb87acb580d3cbcb0f6d1108b0a7
Markdownadf27dea2dd0e21821fb8f359b9b9aade8badca3d4e1bd758e3013a97f59b860
PDF
Publication page116327e42fda4a8ae179005a3f1143b3852d2edfbe36b322b9ec3e95e9900873
Manifestce298289896db4fafbebc553491045b7fcaa386f98fc50787514292e53e757a3

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
SignatureLBLZ5IsBsKolViqQQpE69hd9rSbwn9Yh8E/sZDsBkPeDwFbb+taGtTJNWV8Zf04jAxc5m2NKvxRQAModpwfqCA==
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

2026-09-17T10:28:48.556042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068970
observed 116327e42fda4a8ae179005a3f1143b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.539017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068970/manifest.json
observed ce298289896db4fafbebc553491045b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.523196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068970/publication.md
observed adf27dea2dd0e21821fb8f359b9b9aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.506533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068970/publication.txt
observed c745b5f85b655278b3e180f7fd3bddd9...
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.