OpenTechnical

OT-2026-000080963

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000080963) never changes.

Identity and time

Publication numberOT-2026-000080963 · never reused
Internal UUID01a0ae96-b975-7a34-afdd-74a03898dd01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080963
StatusPUBLIC

Content hashes

Canonical text6a99245d86b09fdec893850f062c459cb82ea03640cf4a3ce86743f8f22d3e8f
Markdowne21b60dac85c4bd5ccdd52466487f8dac1417c9eb502dd128fe70c484667fc3c
PDF
Publication page09e6f7c344a677fd4801ad67c64287ee845306b665288923a385b2a3f24f57ba
Manifest0b11c91e72909194759653cacecd44408f65c46623319710bc0a07d70d77c3c9

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
SignaturesZ2qQYVOlhI1e83dVFQ07nnDekJzldgLqHKhnNdR/sehK2Lru2vtSSEN5V5/hFu7sq3vdOGT5M4cenXeq9bZCA==
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

2026-09-17T10:02:14.716649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080963
observed 09e6f7c344a677fd4801ad67c64287ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.697793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080963/manifest.json
observed 0b11c91e72909194759653cacecd4440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.681421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080963/publication.md
observed e21b60dac85c4bd5ccdd52466487f8da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.664488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080963/publication.txt
observed 6a99245d86b09fdec893850f062c459c...
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.