OpenTechnical

OT-2026-000009685

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000009685) never changes.

Identity and time

Publication numberOT-2026-000009685 · never reused
Internal UUID01a0ae6b-7564-76a3-ae8c-829190a44ef3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009685
StatusPUBLIC

Content hashes

Canonical text31fd34a8999bb3600a1ed46622fc44d9b4d51f213ec11bb00db8547ec9ebcff7
Markdown37f3892a4f6194753f0d57405e4657dd0caa0ffd6912b8dd0d2676c15a209dab
PDF
Publication page9644148b276f4d5cfefac8fafae1f68bb98019fcb1d1677a3ec245e577cafb25
Manifest3407890fdce77d1a74bc23fde2cb66cdc268cbe7e2acc3315fbb130dc1668546

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
SignaturewydGigH4zqgoK47oa2IDBVHOdxOrxtB2MzPZn3CUIDV32k1SZA+zDX6qJLM/s29B7WWgjbzzROOeF3kE7s/nBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:10.007177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009685
observed 9644148b276f4d5cfefac8fafae1f68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.987578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009685/manifest.json
observed 3407890fdce77d1a74bc23fde2cb66cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.967816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009685/publication.md
observed 37f3892a4f6194753f0d57405e4657dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.947511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009685/publication.txt
observed 31fd34a8999bb3600a1ed46622fc44d9...
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.