OpenTechnical

OT-2026-000068689

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000068689) never changes.

Identity and time

Publication numberOT-2026-000068689 · never reused
Internal UUID01a0ae90-2483-7231-8ad5-44836f72f1e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068689
StatusPUBLIC

Content hashes

Canonical text16f3a1f8a7788d9d4fbc1f1931dea7246a9c001dac8496698df8081c59037ad1
Markdownd87db1a6c3f44733dd332071812b71841fae152b4ebe6f8f0078d5e6b1f8e38c
PDF
Publication paged52e1ab4e006f007f28d9888d26912507f87d3bf675d8f7454542f37cecfa17b
Manifest2ad90d764e61cb6889179c61e0f0b9d355af419f943ff50fbdd464efe9ff4e66

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
SignatureIGtivU3lSN3ajRwk9M8EJQOwPqR6j4xcaaja8T1XFWEs+kNy/iTLAh4bV9+X2LR360ZznSqMb1rz8hoF2UWIDg==
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

2026-09-17T10:29:53.716965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068689
observed d52e1ab4e006f007f28d9888d2691250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.638436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068689/manifest.json
observed 2ad90d764e61cb6889179c61e0f0b9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.621770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068689/publication.md
observed d87db1a6c3f44733dd332071812b7184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.599556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068689/publication.txt
observed 16f3a1f8a7788d9d4fbc1f1931dea724...
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.