OpenTechnical

OT-2026-000007298

Publication integrity record

Bellows cup vacuum gripper, four zone face, ejector fed, pressure verified, plastic cups, three fold

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-2026-000007298) never changes.

Identity and time

Publication numberOT-2026-000007298 · never reused
Internal UUID01a0a979-c641-7d1a-b52a-10375c4aa6d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:45.253099Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007298
StatusPUBLIC

Content hashes

Canonical text0b490c701419111b129dfd5b765aefa2ec746e435c32d2b64f3802c1b0b393ec
Markdown4784638483edbbac2ce0501cb22ccbafdd183cc8ff6bc1f191e642af143f0f80
PDF
Publication page9bc8e33db86be0ce03b3ed4336cbad85f06702c744a85fbb4e20b17c8361b3c7
Manifest1ffb9df8228576ebf999aed5e6c8e50c4bebb8e09cbb6616b887a36a4553ff27

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
SignatureYzc9vbyfQgRrPskDTQ8ux9VQ0llo+l5a3vOx8O/Q9QtiSBVbR/jdALKn1G47aVcva6dLTsqZ8tScMPp94/XRCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:06.468697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007298
observed 9bc8e33db86be0ce03b3ed4336cbad85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.454691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007298/manifest.json
observed 1ffb9df8228576ebf999aed5e6c8e50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.441397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007298/publication.md
observed 4784638483edbbac2ce0501cb22ccbaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.428156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007298/publication.txt
observed 0b490c701419111b129dfd5b765aefa2...
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.