OpenTechnical

OT-2026-000081563

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000081563) never changes.

Identity and time

Publication numberOT-2026-000081563 · never reused
Internal UUID01a0ae97-0f71-74a7-a374-722534ea16b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081563
StatusPUBLIC

Content hashes

Canonical text8e2a69a0819d5a00b2b9d53dd06ac5f2b8bacd2207c5b7cfa350fe6b3b3cc5ef
Markdownbac30869e393dd5ef99cb6703ad24cb4868be9f5992c3952e90c2ddd1b39a16b
PDF
Publication pagea1682cf819264b676f28af136842aa603dc755dc67add8ca9c934cc65efa6ddc
Manifest8c106798b07e6fe341a07aa82f0ca16d8414c8474e6ca9422053f78ddcf8b46d

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
Signatureuos09p3e1GuSmgY1NH4JtlHiVnbhPiHHRw/3ONv25YUSlK5wZjWX/YAK4z+yO6FtpOT3pgwAFnW7pofrSpSOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:35.497800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081563
observed a1682cf819264b676f28af136842aa60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.479896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081563/manifest.json
observed 8c106798b07e6fe341a07aa82f0ca16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.463037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081563/publication.md
observed bac30869e393dd5ef99cb6703ad24cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.445439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081563/publication.txt
observed 8e2a69a0819d5a00b2b9d53dd06ac5f2...
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.