OpenTechnical

OT-2026-000026288

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000026288) never changes.

Identity and time

Publication numberOT-2026-000026288 · never reused
Internal UUID01a0ae71-f4a6-73dc-9628-7b19e9a82951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026288
StatusPUBLIC

Content hashes

Canonical textea0622011bd3e103efc1555651461751b93ec8d69f2669f9b20b1de54ecf868f
Markdownb97e2f2cbcb31b415be93c964df535833bf910541a94ce1d298f17e141332e4c
PDF
Publication page4674b2aadd8025a80b3ad8464c5159fbf586387d9961a19b6afeedbb3a00dd49
Manifest8a36d5ff981453934b97261f6fc39e165da50e620a660b3f2f93de456d390255

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
SignatureMQfaJHvVUr1INw/Dw71VLceRxrfruzwOQ11RsFyVuj/YYXacVcXcWllEqZG6afnMTyHJq+oQaMlTy6T1l821Aw==
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

2026-09-17T11:44:14.198718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026288
observed 4674b2aadd8025a80b3ad8464c5159fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.181216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026288/manifest.json
observed 8a36d5ff981453934b97261f6fc39e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.166352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026288/publication.md
observed b97e2f2cbcb31b415be93c964df53583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.148160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026288/publication.txt
observed ea0622011bd3e103efc1555651461751...
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.