OpenTechnical

OT-2026-000064555

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000064555) never changes.

Identity and time

Publication numberOT-2026-000064555 · never reused
Internal UUID01a0ae8d-a462-7c58-8cd8-3987121236d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064555
StatusPUBLIC

Content hashes

Canonical text5635c289a199ab23a164243668182fbd19b1079d1029f7f10817b736bbb954c2
Markdown53530e66755706bc9b6134b652d74fe44aa4243b131ee2d19609733476299852
PDF
Publication page8ce4a75870a13b30fcbd2306dbd36673259898b36badc3d7bf4d3f6732ef057f
Manifest3ad12bd3700b8843e16fef103694849acecc5146c20771c38402573dff0a509b

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
SignaturehrvevhqBT3B+oOVw0fze1QvHy+ecmVHUnsCXs9bwozM4RnCivYiHCYby86PsMFXuAkZPEGlFNcw1Dg5qgBo3Bw==
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

2026-09-17T10:36:46.529994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064555
observed 8ce4a75870a13b30fcbd2306dbd36673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.509676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064555/manifest.json
observed 3ad12bd3700b8843e16fef103694849a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.491989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064555/publication.md
observed 53530e66755706bc9b6134b652d74fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.474534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064555/publication.txt
observed 5635c289a199ab23a164243668182fbd...
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.