OpenTechnical

OT-2026-000040982

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000040982) never changes.

Identity and time

Publication numberOT-2026-000040982 · never reused
Internal UUID01a0ae79-6d11-7ab2-9492-c6b6f0a7c1c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040982
StatusPUBLIC

Content hashes

Canonical text6f60dc1b47fc1557b58d90226cdd516bf889e88254645f5b27d7a325fe2e246e
Markdownb9bf5901d41883e55efc634016b578a013f0337a9a89aa32f7d94b6b35f1b494
PDF
Publication page070ef5343423669a1012dde602aaa9cce7447cf0f4fd823b343e954676a50a7e
Manifestb9d78481f25ddd4042bed8cc590ec66c2655bc08f99c599dbee4b176afc0e765

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
SignatureCMFhgehEFhA1rRmZ/1k+jMb7BaZ4k+bcVVwtOk8KZU8+yTeRqY2q9V+yNVPPkvSYanbiL6cg8R9aeW+syHTcCQ==
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

2026-09-17T11:20:23.384029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982
observed 070ef5343423669a1012dde602aaa9cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.365125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982/manifest.json
observed b9d78481f25ddd4042bed8cc590ec66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.346989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982/publication.md
observed b9bf5901d41883e55efc634016b578a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:23.329426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982/publication.txt
observed 6f60dc1b47fc1557b58d90226cdd516b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.055774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982
observed 070ef5343423669a1012dde602aaa9cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.039151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982/manifest.json
observed b9d78481f25ddd4042bed8cc590ec66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.022241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982/publication.md
observed b9bf5901d41883e55efc634016b578a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.006583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040982/publication.txt
observed 6f60dc1b47fc1557b58d90226cdd516b...
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.