OpenTechnical

OT-2026-000080055

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000080055) never changes.

Identity and time

Publication numberOT-2026-000080055 · never reused
Internal UUID01a0ae96-4377-7a97-a902-b24d9dcb0624 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080055
StatusPUBLIC

Content hashes

Canonical text168ab4a1557820d05cffb04570b56c4d3195db3062a1929f3c43b7f9ebb91329
Markdownf3aba3e82b3b4a61c6fd0c9242390912e9231423b9448d8de23fa5bf2e9faf2b
PDF
Publication page04f04124f56d94e83707a0598deed55e64350360f642becc14966cff217e23ad
Manifest4a15e0230a83cb8c46e98c21003bf56de718f702716b774f5234bd4112d02733

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
Signaturevpjr/2a/6JDEaDnyX1D5sTmwjz/+EOCxuByurgXEjILG7I/oGu/vtNpwHj4pXMagQNeZFjcSH3rnh6/q8ZAfCQ==
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

2026-09-17T10:03:59.126360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080055
observed 04f04124f56d94e83707a0598deed55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.110178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080055/manifest.json
observed 4a15e0230a83cb8c46e98c21003bf56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.092169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080055/publication.md
observed f3aba3e82b3b4a61c6fd0c9242390912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:59.073132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080055/publication.txt
observed 168ab4a1557820d05cffb04570b56c4d...
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.