OpenTechnical

OT-2026-000078081

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000078081) never changes.

Identity and time

Publication numberOT-2026-000078081 · never reused
Internal UUID01a0ae95-6e8c-730b-a8c3-5274969146c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078081
StatusPUBLIC

Content hashes

Canonical text4b88ce31d14e037934c576b6615b8661036c0fc882a0889f92b036891b96fb27
Markdowne5021ecaf57b18355460862b7d8d711dcf4e8ac3b4a8aaf9d1330a56444b72a9
PDF
Publication pagefd11ec60de4043d8c9556f911c69d810924fa5ce2625a44eb9de7968cface86f
Manifest2d18b2e75067732a6166188aaea05bc0502fb2e1a0a8e89fe144b677858bee0b

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
SignatureTp7t77be1pSYTRltP3cHNMMtD6yWDUqc89C0SCHZRe7SeVYIuLeOmuxgZqGEccJ4y0AzUkJ7Ayt5q3+VL3OrAg==
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

2026-09-17T10:06:47.319754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078081
observed fd11ec60de4043d8c9556f911c69d810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.301984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078081/manifest.json
observed 2d18b2e75067732a6166188aaea05bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.284564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078081/publication.md
observed e5021ecaf57b18355460862b7d8d711d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.265722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078081/publication.txt
observed 4b88ce31d14e037934c576b6615b8661...
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.