OpenTechnical

OT-2026-000029642

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000029642) never changes.

Identity and time

Publication numberOT-2026-000029642 · never reused
Internal UUID01a0ae73-5e23-7365-bd03-22d0da5388b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029642
StatusPUBLIC

Content hashes

Canonical text8973f98aff30b754f408b88faaad37046c8a9a4ad46a185098a31a26352ab69d
Markdown04bbcf45e8cb00bac3893c529de4c43f5c6b3fdcff29eeb018467dfb0f5d3a8a
PDF
Publication page8660016e28acaff0899247ff1327848d956784d5a31b96d962382dadfe9317c3
Manifestcd0f1d4de18e9bc05dd28118c3ffbc329c643ba3fa693d55cc7c2dc3856a4748

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
SignatureUGcL33VUfmzr4cjpHS+D8BXyliAtTpZ/5v5FPpM54ZOkw3K8FD6DRWfYD5fc+Fkayvgl2onrVnzCpKWqO4+NBg==
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

2026-09-17T11:39:21.186791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029642
observed 8660016e28acaff0899247ff1327848d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.168985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029642/manifest.json
observed cd0f1d4de18e9bc05dd28118c3ffbc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.150907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029642/publication.md
observed 04bbcf45e8cb00bac3893c529de4c43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.131117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029642/publication.txt
observed 8973f98aff30b754f408b88faaad3704...
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.