OpenTechnical

OT-2026-000078467

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000078467) never changes.

Identity and time

Publication numberOT-2026-000078467 · never reused
Internal UUID01a0ae95-7c28-744d-bf3d-c7f3dbf1d6f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078467
StatusPUBLIC

Content hashes

Canonical text26f8eb085dff7e6e9cd1ed2cf6370971d428ae66442a73bc5a1f86aa2b9f8b3f
Markdownb0b3b77ba6bad47702f3cc29b4326c0637fd06874a83ae5e247a120c320256ba
PDF
Publication page8e183a629eb2ae31769132f48c8af3762658e8db9466515067ddc52f2f07aa7d
Manifest416407a9919fac113c862800089f0a817cba6266ec8532272b315a25e745caa3

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
Signature+0bqGtfmufGCF0MkyMcyD5ICUfQ6awfBfucSYQ4dh5EJ2T+fqVUvmIvYWj1VHO0UJpikEWno34iPZfY38sl9Cg==
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

2026-09-17T10:06:28.258706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078467
observed 8e183a629eb2ae31769132f48c8af376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.240163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078467/manifest.json
observed 416407a9919fac113c862800089f0a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.220337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078467/publication.md
observed b0b3b77ba6bad47702f3cc29b4326c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.200278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078467/publication.txt
observed 26f8eb085dff7e6e9cd1ed2cf6370971...
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.