OpenTechnical

OT-2026-000027689

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line 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-2026-000027689) never changes.

Identity and time

Publication numberOT-2026-000027689 · never reused
Internal UUID01a0ae72-699a-7618-9f87-cb4d809e9c07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027689
StatusPUBLIC

Content hashes

Canonical text0a8bf3d1c6a88a6dfae5921e8b0d747e2364f25ebf5eb3eb17bef01d4755f8c5
Markdown5dde37561da4c240bf224e7d17a28b92cbc59753eb9272bb01314d21f1f12637
PDF
Publication page9428064f37e51a76e6809b64cc9766242738ac47b05628a11bd15d9ee781eb66
Manifest4317d87a784f2bd481c87d4d18dbc45dd262821fd0149add57042e1addf2ef37

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
SignatureqcjkK/CYnhR8QBp0WbkzS8YW5nSehuIFJimZQWaaXv/Qetz7j5T0kyxq+PWd3X/Ss7cHnSm9elWHYOei0faQDw==
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

2026-09-17T11:43:13.800867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027689
observed 9428064f37e51a76e6809b64cc976624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.782174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027689/manifest.json
observed 4317d87a784f2bd481c87d4d18dbc45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.764607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027689/publication.md
observed 5dde37561da4c240bf224e7d17a28b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:13.746430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027689/publication.txt
observed 0a8bf3d1c6a88a6dfae5921e8b0d747e...
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.