OpenTechnical

OT-2026-000021178

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000021178) never changes.

Identity and time

Publication numberOT-2026-000021178 · never reused
Internal UUID01a0ae6f-865b-70cc-a05d-33c7e3254ee3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021178
StatusPUBLIC

Content hashes

Canonical text5ff6a219e21f2058d8cf7f76e093e30e2a5c5c781c11e2cb524845c70a13b662
Markdownfd88b66e9d40589eee6564e0a675beb64ec1b9e3590ac2591901056d3b746a2a
PDF
Publication page21eebcf5f371208a74ade3adbbba881543e63562b772f885b7e8c0472ba12b53
Manifestf97c4acdbe360612fcf6295cace4437f7c8ecc2f7638817318bcd087a9254ddd

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
SignatureALvQL7koY4sYg2Tf2M4EKB3dFqL3IcbtTv1EolZ92AdOMrgV/ivafHc44IKL9KQtke36l/BUCFBe9MZXSiWrDQ==
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

2026-09-17T11:54:57.626716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021178
observed 21eebcf5f371208a74ade3adbbba8815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.609619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021178/manifest.json
observed f97c4acdbe360612fcf6295cace4437f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.590259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021178/publication.md
observed fd88b66e9d40589eee6564e0a675beb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.570245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021178/publication.txt
observed 5ff6a219e21f2058d8cf7f76e093e30e...
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.