OpenTechnical

OT-2026-000033913

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000033913) never changes.

Identity and time

Publication numberOT-2026-000033913 · never reused
Internal UUID01a0ae75-a392-796e-9cd6-457de8edcd74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033913
StatusPUBLIC

Content hashes

Canonical texta649980548ccc1a9a4f67ba91b240a26b80cc9c8e38bb246ef799554e3fc0971
Markdown73e1f7845b26cb9062580a017c6d36c36762595769ef4fccf69165011602b2e4
PDF
Publication page02ec7e2fa9374ba7b952d7c81326050cbc94d4ae2fdf2c47f17856eb630547cd
Manifestd7610a3fdad203efb146fc9fe2cb4adbca4cae0f348bbf35ba26e33ffe0b0403

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
SignaturePQuBBHKtIAOg5VZij0f4buEUf/oJVGWrI4z9wJ126rZplgW4l08va33fskc6eBWPDfQxCWRUvExsBpmDSIRPDQ==
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

2026-09-17T11:31:59.661177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033913
observed 02ec7e2fa9374ba7b952d7c81326050c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.644861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033913/manifest.json
observed d7610a3fdad203efb146fc9fe2cb4adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.622412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033913/publication.md
observed 73e1f7845b26cb9062580a017c6d36c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.600862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033913/publication.txt
observed a649980548ccc1a9a4f67ba91b240a26...
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.