OpenTechnical

OT-2026-000074656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074656) never changes.

Identity and time

Publication numberOT-2026-000074656 · never reused
Internal UUID01a0ae93-ac2b-7282-9089-b5db29c3e2e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074656
StatusPUBLIC

Content hashes

Canonical text9adb0b7b817111339318ecdda644b8951436391166a176fd0c38e1e74c27f881
Markdown1faa49f2f27511fe2d1fb7696e3f4fa2e0f0acc371c77197e6e0cc6113ea1455
PDF
Publication pagec45af00973a282b75d1d452cfaa6456c376bb01b2b4e3de0905d0045a378ba41
Manifest79288c2751bb8aac72fbb88334053ccbbf0647144f6f71de5038eb12a1e8c43e

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
Signaturetr+QDXHCFl0dN8e13DwV1CeZrAIAjsJirXd88PViojEPYhEXlPP6ni2zl6NC+aRhZCjWHXbufP1EKDO6UowHAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:13.959606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074656
observed c45af00973a282b75d1d452cfaa6456c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.940845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074656/manifest.json
observed 79288c2751bb8aac72fbb88334053ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.919686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074656/publication.md
observed 1faa49f2f27511fe2d1fb7696e3f4fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.902813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074656/publication.txt
observed 9adb0b7b817111339318ecdda644b895...
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.