OpenTechnical

OT-2026-000068747

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000068747) never changes.

Identity and time

Publication numberOT-2026-000068747 · never reused
Internal UUID01a0ae90-6dcb-7ec2-a4e6-544341ef15ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068747
StatusPUBLIC

Content hashes

Canonical text8e9edcff469d1ce3b824d89da573873355e9d906eba442a5dd4b41358d21ecb1
Markdown3f2fceef21fcb968822f51f65ae9024dcc04f702e02777ad1b8997d0b1788cff
PDF
Publication page1166503a93aaf9504e273921161781f00baefe416d25b29f413353108a73fdd1
Manifest153c041fc34da29dd1be37ea4a4046e67f9b9441cffe1298095237939c8a2c5f

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
SignatureMCM2pGup1rtkUUIM8+m7Nj6kUd11QnB1m+5sELXZBjm6lFzxZDybRSsyat8OicLICHhhvQ/y7F9LOd6HZ1bVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:31.639453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068747
observed 1166503a93aaf9504e273921161781f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.619933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068747/manifest.json
observed 153c041fc34da29dd1be37ea4a4046e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.575900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068747/publication.md
observed 3f2fceef21fcb968822f51f65ae9024d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.529426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068747/publication.txt
observed 8e9edcff469d1ce3b824d89da5738733...
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.