OpenTechnical

OT-2026-000017806

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017806) never changes.

Identity and time

Publication numberOT-2026-000017806 · never reused
Internal UUID01a0ae6e-96fb-7922-8d6b-ce542fa9ec41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017806
StatusPUBLIC

Content hashes

Canonical text1093fcb2176f927a93c1941598102cb8e758e6d04ce4727f190d4ca4527ba6fa
Markdownd180acd21de92b0b3c34b2341e0af20dba64ab5ab197d975e16b631b87d564df
PDF
Publication page9ae4a8a2b8553f7411975ff2afd413b2050fff38b161429933e4156fed229003
Manifest717d95e583aa1b5fa9173e45d96c230cb617f0c91e4b542b8068b6e944e86840

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
SignatureU27hbSiGpv12sB7541wsIerkq0gLh3yc8quYPNu5O5TKpRrVEQZfaQd5v+s0LGexgAEBLVR2bVdIqsZdhpxJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:46.482967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017806
observed 9ae4a8a2b8553f7411975ff2afd413b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.467344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017806/manifest.json
observed 717d95e583aa1b5fa9173e45d96c230c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.450067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017806/publication.md
observed d180acd21de92b0b3c34b2341e0af20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:46.433823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017806/publication.txt
observed 1093fcb2176f927a93c1941598102cb8...
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.