OpenTechnical

OT-2026-000028230

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000028230) never changes.

Identity and time

Publication numberOT-2026-000028230 · never reused
Internal UUID01a0ae72-a521-70d8-bf84-17e4801b66df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028230
StatusPUBLIC

Content hashes

Canonical text89d3ff06b11287c9ed965369408aeeab99cfb04f537cd65dfcd369168a8c5810
Markdownd27abddfbc847f106b0d92ae6f3d190f2e624de98e0147a8a521ce14d2329604
PDF
Publication pageba06c2e873e11245de72e19866de6a9a8124abcee821445d7a26b5ade6a18801
Manifest85d094e8b1d2d36649d92dd17d97fef8a10be2a2abe39056109fd004474cbd01

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
SignatureM2jozog2xCzdXKhQJLCmEvB6Xa0Tie3ftpavKVuMWcEl2R9eK3v3QVesmASVq1nqzv2RV/HLmVifBPaAll9pAQ==
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

2026-09-17T11:42:35.736880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028230
observed ba06c2e873e11245de72e19866de6a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:35.715476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028230/manifest.json
observed 85d094e8b1d2d36649d92dd17d97fef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:35.698539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028230/publication.md
observed d27abddfbc847f106b0d92ae6f3d190f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:35.679718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028230/publication.txt
observed 89d3ff06b11287c9ed965369408aeeab...
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.