OpenTechnical

OT-2026-000018414

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000018414) never changes.

Identity and time

Publication numberOT-2026-000018414 · never reused
Internal UUID01a0ae6e-b489-752c-8470-3901e97a4094 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018414
StatusPUBLIC

Content hashes

Canonical text76c79d26129a023875090754cec478cc1662fa378c6f2a7f88540b64fa8fec1d
Markdown8deb39e46f6f02bff3b3a776ebe13d48ad61b5597ba1d669eaac891c1abed97e
PDF
Publication pageccd65b06ff5450d006500eaf47f59763bfa681c037f648c7b3cb2f1e66114696
Manifest85abc374d56f4bf1a8b25e23c5df9515a820f54bd92c82c62a695380dda17114

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
SignatureKYSiB16jEbs/BbxoC2bMWOsnQLZZWLLOYVLg6Fuw+Jsof6aqHysXnGqYBRSKIxXP02G4nFH8iXmh8uPXEfvJAw==
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

2026-09-17T12:01:09.566991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018414
observed ccd65b06ff5450d006500eaf47f59763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.550693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018414/manifest.json
observed 85abc374d56f4bf1a8b25e23c5df9515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.532487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018414/publication.md
observed 8deb39e46f6f02bff3b3a776ebe13d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:09.514961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018414/publication.txt
observed 76c79d26129a023875090754cec478cc...
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.