OpenTechnical

OT-2026-000076597

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000076597) never changes.

Identity and time

Publication numberOT-2026-000076597 · never reused
Internal UUID01a0ae94-b06e-7006-b007-038d460c3702 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076597
StatusPUBLIC

Content hashes

Canonical textc42cae4a5f0f16f12f4597bc5667420b9cd28d5a99dd8977e531b928f2a2d175
Markdown469a495e08102f90ca394de4f6f530c1662c2b4920d3421d1a0626d60b797321
PDF
Publication pageb9ecf6df4696ee81279463fd6a2036577fc54dc64dd77009705ef9b4acd4fff3
Manifestc1947da55e3597d921e29cae7f9a9dfe15896a9cb2c359921cfac72608382a66

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
SignaturepcSgxj8/QbF9BeBM6jwK+F63DQYzOYta810bsXZInZBsZ+Cvk588iCkZL14bi45FDp1svb3CxnZ0/vB3iSQ0DQ==
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

2026-09-17T10:09:19.208570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076597
observed b9ecf6df4696ee81279463fd6a203657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.190912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076597/manifest.json
observed c1947da55e3597d921e29cae7f9a9dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.173375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076597/publication.md
observed 469a495e08102f90ca394de4f6f530c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.154104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076597/publication.txt
observed c42cae4a5f0f16f12f4597bc5667420b...
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.