OpenTechnical

OT-2026-000090862

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000090862) never changes.

Identity and time

Publication numberOT-2026-000090862 · never reused
Internal UUID01a0ae9c-c010-7509-8364-11e88e63df68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090862
StatusPUBLIC

Content hashes

Canonical text48f7ed2f0b5aae4454a8fa8799858fad31b69d6bb408265e94c9950a21de2655
Markdownf016d50a32b8d6ea1cb54e2f0ef3e78f1fa53801e35e5bde1d3569561a608ad5
PDF
Publication pagec6ea09f1c7365422471a9787181e0837c03d0b5ee0ee410b2fe1f99876592e50
Manifest6f1d12af9af6b5fb8f7a423dcb73c440bd1b52db7dcad30c0f48e3a6c5b65e42

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
Signature0RFDnaOOei07mjGo4HjRLTYH4C59A8ZzT/jkpL187kyaR3w559pvIeUVWqFZV3OOLYmtddqkEbEH3hNZWjNTCw==
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

2026-09-17T09:44:02.588998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090862
observed c6ea09f1c7365422471a9787181e0837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:02.567738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090862/manifest.json
observed 6f1d12af9af6b5fb8f7a423dcb73c440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:02.526546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090862/publication.md
observed f016d50a32b8d6ea1cb54e2f0ef3e78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:02.490554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090862/publication.txt
observed 48f7ed2f0b5aae4454a8fa8799858fad...
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.