OpenTechnical

OT-2026-000026898

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000026898) never changes.

Identity and time

Publication numberOT-2026-000026898 · never reused
Internal UUID01a0ae72-3452-735d-a685-432dc3159878 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026898
StatusPUBLIC

Content hashes

Canonical text67176ae026f8215ec2858cc90855570a8d364d0ddd5b77e501355c1cd458df5f
Markdownf712c2dc84ad0ce3a7b25abde2f2b69a797c0fa0784f0a98b5b0ae43cbe7a6ec
PDF
Publication page4e649cf9706f6bb3dcb67f4ebff6a62389fd994a98fffd57093f6a19677256f8
Manifestc463320808b87e1d73562e34fbed4d6f49071af9dcb0d299581332cbb0bfc1d3

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
SignaturejVcGa+HIHqEJ7wZm/85A+qz+GdCIRpuZTSHft2/eQFhdpiOTabYLmuPFlbR2uCEAcXf1a8JpS1aXyOiV9sQTDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:30.486166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026898
observed 4e649cf9706f6bb3dcb67f4ebff6a623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.466553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026898/manifest.json
observed c463320808b87e1d73562e34fbed4d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.445215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026898/publication.md
observed f712c2dc84ad0ce3a7b25abde2f2b69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.428105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026898/publication.txt
observed 67176ae026f8215ec2858cc90855570a...
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.