OpenTechnical

OT-2026-000077163

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000077163) never changes.

Identity and time

Publication numberOT-2026-000077163 · never reused
Internal UUID01a0ae94-f507-7786-82fc-de2178adb143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077163
StatusPUBLIC

Content hashes

Canonical text0b2f4c02f421b717c6d1be219a1f499f44862cc52e90af0c654cf6490a039425
Markdown9a3d23c9a779647ea1ffc4005e251d38918e03e61df4024f83c3d9ecd9b5afe1
PDF
Publication page9517269a2a9ca22b4c5d4cc73b8c719c8c06ef9bb87442a6cd8fcc4cb6f88470
Manifest46cecc8ea564110f177fa092cd7a49667b677d0fa2eb245ba04f0271c860a01a

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
SignatureGnueCTffuAcFESJVYga3jBLcw4Nrdlf+OYyfsTbSo2YoDrp+ESwaMHqYq1AY8U/QzFYw2kbivoW2D0Sb2MncAA==
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

2026-09-17T10:11:49.219682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163
observed 9517269a2a9ca22b4c5d4cc73b8c719c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:49.200791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163/manifest.json
observed 46cecc8ea564110f177fa092cd7a4966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:48.805144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163/publication.md
observed 9a3d23c9a779647ea1ffc4005e251d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:48.782776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163/publication.txt
observed 0b2f4c02f421b717c6d1be219a1f499f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:38.026077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163
observed 9517269a2a9ca22b4c5d4cc73b8c719c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:38.005895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163/manifest.json
observed 46cecc8ea564110f177fa092cd7a4966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.983519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163/publication.md
observed 9a3d23c9a779647ea1ffc4005e251d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.962382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077163/publication.txt
observed 0b2f4c02f421b717c6d1be219a1f499f...
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.