OpenTechnical

OT-2026-000042971

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000042971) never changes.

Identity and time

Publication numberOT-2026-000042971 · never reused
Internal UUID01a0ae7b-3277-7ffe-8dca-f6313b787a8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042971
StatusPUBLIC

Content hashes

Canonical textc429fd5d810318356f41c92c34c578d63649ff39ec0893ed79cddf4f8c93fcf4
Markdown06daaa025450b58271b4e64f1cc037e501e2851c21f8395982b37bed28cc6d46
PDF
Publication pageb0a0f018a34b5fe24893aa66ae7f477735110a796459259ec1db48cfee6c2623
Manifest114e9abe5b4be8c3aa03460cd373852fa73de7aaa03aaf910b8087488f70cf1c

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
Signature85AWzI0Hr2cZ4Opv4OnfmiAU1xfw3U3E+uT0rnQpKyiTdl7Qb72FhT4pMcGtfBnnzXpQD7baX65ZrTX0xueWCQ==
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

2026-09-17T11:13:16.144328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042971
observed b0a0f018a34b5fe24893aa66ae7f4777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.127273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042971/manifest.json
observed 114e9abe5b4be8c3aa03460cd373852f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.106814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042971/publication.md
observed 06daaa025450b58271b4e64f1cc037e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.086831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042971/publication.txt
observed c429fd5d810318356f41c92c34c578d6...
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.