OpenTechnical

OT-2026-000094983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000094983) never changes.

Identity and time

Publication numberOT-2026-000094983 · never reused
Internal UUID01a0ae9f-2df0-7b3c-a3c3-c04368f2dbc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094983
StatusPUBLIC

Content hashes

Canonical text6e81c9b7f0e18aaab06b9790029e8e793d131c8f24eca77cb9bc41201ceb6657
Markdowncd1621724470031b614fbb7b216217bda79c77c1a3d48c8f299ccd4a360f5ff4
PDF
Publication page98e4e315f94b4f8df2245e239b8739f88445c33f26804424b9da3508b43c194c
Manifest079929ccc35fb1f6cf9371580345ba051005c7c136d86f764b175491982d6c0f

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
Signature0pDefUxzGTQcrQIFf74BdpFwH5bB2TQ1xy01lklYrYTeJC7XuVh+nYqK6yxutn6XS9Nyy5+bc842v15Ic0ZWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:31.989360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094983
observed 98e4e315f94b4f8df2245e239b8739f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.971833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094983/manifest.json
observed 079929ccc35fb1f6cf9371580345ba05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.955555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094983/publication.md
observed cd1621724470031b614fbb7b216217bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.938750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094983/publication.txt
observed 6e81c9b7f0e18aaab06b9790029e8e79...
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.