OpenTechnical

OT-2026-000033973

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000033973) never changes.

Identity and time

Publication numberOT-2026-000033973 · never reused
Internal UUID01a0ae75-df0b-79ad-bc2a-73aba22eca36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033973
StatusPUBLIC

Content hashes

Canonical textd69f6bd2977c598859c2ecdd53b027249cc0c84526dbad152da1f3b3433271c5
Markdown9a9a2168656b580d4871c6bdc8f6b4774403604ee0d1dd4e2e953095eabf433f
PDF
Publication pagea472b591d769e4ce091d3546661b512502764374a05e3598d26bb9e333bdf2b3
Manifesta8328b6cf2428d5eae7436836f8a1b684d0197b71738445d25c3f03073a2f543

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
SignatureQ9kDYczlCwKnPccUJ3CZ1kAvv8UWWse438QGNl90uf/OZv0KUAyhCkx5gCopVRx10rw8RKW4T/WXhGdwsgRsAQ==
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

2026-09-17T11:30:06.347138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033973
observed a472b591d769e4ce091d3546661b5125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.328236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033973/manifest.json
observed a8328b6cf2428d5eae7436836f8a1b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.310129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033973/publication.md
observed 9a9a2168656b580d4871c6bdc8f6b477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.287425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033973/publication.txt
observed d69f6bd2977c598859c2ecdd53b02724...
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.