OpenTechnical

OT-2026-000077007

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000077007) never changes.

Identity and time

Publication numberOT-2026-000077007 · never reused
Internal UUID01a0ae94-b071-75bf-a846-ca9146065820 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077007
StatusPUBLIC

Content hashes

Canonical text157168976b10aaf42f5074091fe20dc15534556f1d487304fc4d62c188fd55eb
Markdown38720349e9d38f04ab78fc713b76770b8a0a5faf4117c36f6d2df47365738d4c
PDF
Publication page63d9664256bfd244ab80a7f2fc383d9f08627ab8cbf6e69df23679653a67db20
Manifest056047dfc1d81e26a427a1e2d442ce3d5ecf2da78dca48ac3d2463d95e99e99a

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
Signature4lIziMT7i27EieZmREcE5mzeOGzlx4qPNHOulmx08zvSEGVqtH2g4yXnF1ZzRqvJcfpqz1UddvuBp5yzQPvbCg==
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

2026-09-17T10:10:21.962420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077007
observed 63d9664256bfd244ab80a7f2fc383d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.943890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077007/manifest.json
observed 056047dfc1d81e26a427a1e2d442ce3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.804140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077007/publication.md
observed 38720349e9d38f04ab78fc713b76770b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:21.782901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077007/publication.txt
observed 157168976b10aaf42f5074091fe20dc1...
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.