OpenTechnical

OT-2026-000018438

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000018438) never changes.

Identity and time

Publication numberOT-2026-000018438 · never reused
Internal UUID01a0ae6e-b48a-772b-9c7a-8a141934d3f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018438
StatusPUBLIC

Content hashes

Canonical textdacba76d5046b5180597855d1181697da52902fc60d44813df2e40141a977974
Markdownb23c0837d66489d3e517a7a814c7e3b4092fb6391b6f6952b74afb18dd7250fd
PDF
Publication pagea9e57eac6b64a2ef6005c5b092e46a201a87e4490bf131621cd73136f756a5d1
Manifest373b1282bbc890c22acfdad18eca384c0b7985d4a74f9fe1f1bd088640cd07c8

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
Signature5PhjzWEWAyOeAu6sQelIzVIR80z+9GMcISWg/0whHXuO3Sw28QuhsQAlUDWGLri2ntoX3osqeycFZEyyXkCeCw==
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

2026-09-17T12:01:11.513430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018438
observed a9e57eac6b64a2ef6005c5b092e46a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.490087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018438/manifest.json
observed 373b1282bbc890c22acfdad18eca384c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.463545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018438/publication.md
observed b23c0837d66489d3e517a7a814c7e3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.441240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018438/publication.txt
observed dacba76d5046b5180597855d1181697d...
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.