OpenTechnical

OT-2026-000005151

Publication integrity record

Bellows cup vacuum gripper, three stage ejector, pressure verified, plastic cups, 1 fold

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-2026-000005151) never changes.

Identity and time

Publication numberOT-2026-000005151 · never reused
Internal UUID01a0a92f-8266-7f04-b5b9-c5636ae60915 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:38.217551Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005151
StatusPUBLIC

Content hashes

Canonical textf2ce6fae84c8c0d7d339779524cbf31b25cd2ac2ce827aeaec16a6c4585897c0
Markdowne96dd1fa1e538e50ca30a698a15ceba0cccb23f55cbc321dd1824d144410546c
PDF
Publication pagecf9c538e0d90bce554b70ec57edf208c48be5b16fc99924321f9482595f8992b
Manifestd2028eaf12d01ec62be6c0a429d1bd4d074d0f4c4789025da98381f29c6263d4

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
SignatureiDQXqoSbzM0qU/KEbHtRdJAs6aDoC86Xh1Stcf3OzGGF6tbKtok5IA1IeDo/W+/4s+y0cqyyUKdkTeTabNiNAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:09.892685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005151
observed cf9c538e0d90bce554b70ec57edf208c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.877954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005151/manifest.json
observed d2028eaf12d01ec62be6c0a429d1bd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.743690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005151/publication.md
observed e96dd1fa1e538e50ca30a698a15ceba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.730513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005151/publication.txt
observed f2ce6fae84c8c0d7d339779524cbf31b...
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.