OpenTechnical

OT-2026-000051110

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000051110) never changes.

Identity and time

Publication numberOT-2026-000051110 · never reused
Internal UUID01a0ae82-c7b6-763c-a7dc-e7ac0402a330 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051110
StatusPUBLIC

Content hashes

Canonical text90df6ee85c428882ae8b776a306eab27d76d1956e79f3f89ef881c1f32a080a8
Markdownd2eec70979b181ff0305feadbf213af231f7addbebcb2ecb57616088b720e4f1
PDF
Publication page092f8593ca7eb12b5bd0026638aedc94e2e984ca1627efddf34e370f08981ee1
Manifest580a808bb91fd77da1e0b16ff20b77e4eb5f3f518d5485a5240164d019c787ff

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
Signaturevlk4qLDsSxbNzkso9BA8dlRBIBTRq4xe0bzYARsRCK6hGumdrchTyEBr5Ep4O+Asq/2pDawJbhlngdnxfZGcBQ==
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

2026-09-17T11:01:03.342458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051110
observed 092f8593ca7eb12b5bd0026638aedc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.325563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051110/manifest.json
observed 580a808bb91fd77da1e0b16ff20b77e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.308717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051110/publication.md
observed d2eec70979b181ff0305feadbf213af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:03.290838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051110/publication.txt
observed 90df6ee85c428882ae8b776a306eab27...
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.