OpenTechnical

OT-2026-000078319

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000078319) never changes.

Identity and time

Publication numberOT-2026-000078319 · never reused
Internal UUID01a0ae95-7c27-7bd6-9a68-396e81feab55 · 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-2026-000078319
StatusPUBLIC

Content hashes

Canonical textdc04b3daeb4001911067ef3d68bd57904fc0b4408f554b62c82cb70b6f06d4ff
Markdownc1ff8ada07773dfef53d2db60cf81335bb9227911f9c44ce405ea153d10a621b
PDF
Publication pageac7d76715e26b3897bb1c0d006eaff56ab4cc733dec87279a94b679145e78070
Manifest01934948aaa75944f612835cbcb3023496b6d9e98d0b7dad1bb3b1d862093452

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
SignatureqjmuDiCduYN090Hhn4KDSWKxE8yon2nwHy+efCDchE3FzBaD3+SOE6NZEQGiPuiEcdiWJwYGbzo/aRg8nbOyCA==
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

2026-09-17T10:06:17.132785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078319
observed ac7d76715e26b3897bb1c0d006eaff56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.112868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078319/manifest.json
observed 01934948aaa75944f612835cbcb30234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.092381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078319/publication.md
observed c1ff8ada07773dfef53d2db60cf81335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.063795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078319/publication.txt
observed dc04b3daeb4001911067ef3d68bd5790...
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.