OpenTechnical

OT-2026-000044831

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000044831) never changes.

Identity and time

Publication numberOT-2026-000044831 · never reused
Internal UUID01a0ae7c-911b-71a2-ae27-ec575b7f5128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044831
StatusPUBLIC

Content hashes

Canonical text368961cf4960dfe820fe8aa41f189824d940589306614ca77397ddc2024ed407
Markdown80bb6832700549f15d255db43f3e2828165c2128044695557874ac68c59ef8db
PDF
Publication page98b38bbe0cf5e6d34d39db219fd5d43f43d9b7dfdfb3f145ad15397fa644467a
Manifest8c3381c8b57513f2984b16c1e5bf95af05d7fdbfe8c123e9374e9339f86ab24e

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
Signaturem+RtYU1nDKLw4aJ918vOhX9rnMvB4GvvvS6BCKsWNyoYM0OX1k3OaR4FbSX5ScqKo+zQhaV03tZr5wbkQ0CLBQ==
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

2026-09-17T11:11:28.222174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044831
observed 98b38bbe0cf5e6d34d39db219fd5d43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.204304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044831/manifest.json
observed 8c3381c8b57513f2984b16c1e5bf95af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.186453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044831/publication.md
observed 80bb6832700549f15d255db43f3e2828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.167598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044831/publication.txt
observed 368961cf4960dfe820fe8aa41f189824...
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.