OpenTechnical

OT-2026-000101632

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000101632) never changes.

Identity and time

Publication numberOT-2026-000101632 · never reused
Internal UUID01a0aea4-0e16-7a01-8d40-ed3588c75e3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101632
StatusPUBLIC

Content hashes

Canonical text3949a785f3b1d63343e89e714e4541b7a3eed44256f3d728cbf52bf595fdd591
Markdown74332db1c82961cf78fceb37962cc830cafdc563b148934826372f8a0380b3f7
PDF
Publication pagecd054c5f15b189af5a9b595f23ec38f93e53bfa517a375a0e1f3b52d276901c5
Manifest5f9a842c6293700373f0057e6b9e3fbcbaec3a7b2a78d13cdf906de0e7f38a68

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
SignatureTzYms9V5byLX5Eaae9NP57ZGq3CCvgpeosgwRC+/GHnaf+UScG19UaALy6ItjcjcTsw+ZL8d6of7zJ29cMOnAQ==
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

2026-09-17T09:25:45.667992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101632
observed cd054c5f15b189af5a9b595f23ec38f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:45.647172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101632/manifest.json
observed 5f9a842c6293700373f0057e6b9e3fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:45.628899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101632/publication.md
observed 74332db1c82961cf78fceb37962cc830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:45.610090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101632/publication.txt
observed 3949a785f3b1d63343e89e714e4541b7...
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.