OpenTechnical

OT-2026-000027646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027646) never changes.

Identity and time

Publication numberOT-2026-000027646 · never reused
Internal UUID01a0ae72-6999-7999-b496-651e1fc8dcf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027646
StatusPUBLIC

Content hashes

Canonical text82b8de451208c12b2fed578df63407a361e32c3792224d6c6cf6ed7d05ea4bea
Markdown99b16b35c0b89f88b50fb5beed62ea469961a45eedb4a6f4b0bb8a18090414ed
PDF
Publication page936cb5f486c302876f889f1f4fcbe274dc691ec21c0e7465e74698b38f6aa34f
Manifest915b1c61975c26e9a20149f564f3ace3306fef1f5a44a67ab624098cad97451b

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
SignatureT3v9ykQPm1cGNw2RC5+dMMD72+VNwoPiNHXNAp7XYVCCguZnV3u0lf2fZLyB7ft0p1QBRPKO1ekZHCFYIm6LAA==
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

2026-09-17T11:43:10.357539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027646
observed 936cb5f486c302876f889f1f4fcbe274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.339176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027646/manifest.json
observed 915b1c61975c26e9a20149f564f3ace3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.320738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027646/publication.md
observed 99b16b35c0b89f88b50fb5beed62ea46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.305012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027646/publication.txt
observed 82b8de451208c12b2fed578df63407a3...
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.