OpenTechnical

OT-2026-000080635

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000080635) never changes.

Identity and time

Publication numberOT-2026-000080635 · never reused
Internal UUID01a0ae96-7e79-7e18-87c6-a1a120c236fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080635
StatusPUBLIC

Content hashes

Canonical textca9150cf8827dc5205fc3fd3ba6a04cd470d687a14ae1e1dd72f3a78dbceb75d
Markdownf6529c4ed9495a0b64fd40fa5e2b3d116227881dda2556115d74137c2686563e
PDF
Publication page241088ea16b08f2ef61d2106db8281561b8e9a4ccc7f8a49c1b5b993a32f607c
Manifest1921f9fe88a9cc4261ddb720eb2003d2201e5311dd616b011ad2e81b6277ab7e

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
SignatureidfIe4l8UE5YeHqiIX0qYtTEugxM07NsKwBXxrK/TsSW5FJMHBcwQmYG0bYSQtp55CnZo6sI+6DbBT3mxWCdCg==
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

2026-09-17T10:03:17.602972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080635
observed 241088ea16b08f2ef61d2106db828156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.574899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080635/manifest.json
observed 1921f9fe88a9cc4261ddb720eb2003d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.549966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080635/publication.md
observed f6529c4ed9495a0b64fd40fa5e2b3d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.521038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080635/publication.txt
observed ca9150cf8827dc5205fc3fd3ba6a04cd...
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.