OpenTechnical

OT-2026-000074374

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000074374) never changes.

Identity and time

Publication numberOT-2026-000074374 · never reused
Internal UUID01a0ae93-7179-70bb-b207-4159e197bec6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074374
StatusPUBLIC

Content hashes

Canonical text759b7fa6b277e7ab92d242f26f99e7e7db868adb586ad370bf1ffad0437ce99a
Markdown1399e373b1f734f26a20acd2c09f55db2a2424a01207576aea6d6d02e0a50601
PDF
Publication page2c9ba4231832ac739c177a783532cdb1767f0acb1ba85eac24ebb1aecbdc05ea
Manifest60a31e4b967fe4249cdec4fb2669b6aae060f4318f7b521405e5f6d96b3904c9

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
SignaturehfzB31sIBtCUHBepQnsiW997yU7BwRlNEp72qfoun5qkEv7sibbSSbG1XJRI8PAKvA6eVZFsADGbjFthlPhzDg==
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

2026-09-17T10:19:18.422548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074374
observed 2c9ba4231832ac739c177a783532cdb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.405576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074374/manifest.json
observed 60a31e4b967fe4249cdec4fb2669b6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.387690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074374/publication.md
observed 1399e373b1f734f26a20acd2c09f55db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.369484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074374/publication.txt
observed 759b7fa6b277e7ab92d242f26f99e7e7...
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.