OpenTechnical

OT-2026-000024002

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000024002) never changes.

Identity and time

Publication numberOT-2026-000024002 · never reused
Internal UUID01a0ae70-aed7-76e0-a8e2-69016b34977c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024002
StatusPUBLIC

Content hashes

Canonical textb8ff599c24a5174d7898e915edeef19c9e61bd9e69559709b1de635aab77bcd8
Markdown5f5caa5447631df5f9f9277aaa32a8cfa828f631bc1ebb608c5e13a498ae3a40
PDF
Publication pageb78736336e514e975b08a8daf78befbd543ea921cd4fd342af3ac4162448abf7
Manifestfde96e318e7a14b22144c236d22b1402de594f3d81b6dcdc262c5790e9604e80

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
SignatureUh+OkiZeorSTr2e1mNwMHvIXIcv8RBfKCXxcVb0LL3xFxY14dbi7jV+LW9l9OGDBR2t7Tht5sJ3TEGdqj+drAA==
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

2026-09-17T08:41:54.239216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024002
observed b78736336e514e975b08a8daf78befbd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:54.026554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024002/manifest.json
observed fde96e318e7a14b22144c236d22b1402...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:53.720283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024002/publication.md
observed 5f5caa5447631df5f9f9277aaa32a8cf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:53.301802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024002/publication.txt
observed b8ff599c24a5174d7898e915edeef19c...
fetched by grabo-systems from 34.44.131.203, 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.