OpenTechnical

OT-2026-000045978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045978) never changes.

Identity and time

Publication numberOT-2026-000045978 · never reused
Internal UUID01a0ae7d-8f89-7486-8450-93bb6763428e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045978
StatusPUBLIC

Content hashes

Canonical text22fc598a0402a493a61f6cd05fac1b2c1693a692e8f15504a137f9b60a5eea4b
Markdown4921ef2a530a2b283abf1c9ab864c898377c8c53fd2b6231cf675c3affd62b15
PDF
Publication pagec5a2789b29403986559c34c4b67fbee97bdfcc0951449ed7e46e3c735ad71b76
Manifest6292c76c307ae8da5b8ebb8bf780e228f9cf172f3290b2908bed0e1d678e7008

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
SignatureyI7neWMee7NmQnFUksoh9uV2raTEHxqMcx7Ia4KZbyMuCkkzSiV9L0DD/25ZKv7AbNxh8i/BIgnEYbaLK+uwAQ==
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

2026-09-17T11:09:58.310778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045978
observed c5a2789b29403986559c34c4b67fbee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.290312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045978/manifest.json
observed 6292c76c307ae8da5b8ebb8bf780e228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.269532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045978/publication.md
observed 4921ef2a530a2b283abf1c9ab864c898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.249997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045978/publication.txt
observed 22fc598a0402a493a61f6cd05fac1b2c...
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.