OpenTechnical

OT-2026-000076654

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000076654) never changes.

Identity and time

Publication numberOT-2026-000076654 · never reused
Internal UUID01a0ae94-b06e-7248-9d58-242d80e93a6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076654
StatusPUBLIC

Content hashes

Canonical textb26ed55387d92bf8a1084bcbff7ab1a60e1adcc521f02c7e6128a8752eeaba6c
Markdownb08b62401cecfd938c5a67be97f68dccd808f66336665282837203a0f8e0a037
PDF
Publication page6af62b757aea757b98e06277ef0181ba39961c612a7f0023522a4d88413fbdda
Manifest509ea4cbb1c208e150b7ef5a2e95744f041fa1f5b7df47e553bcbb3a74d4a47e

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
SignatureKVhc9xyf6oZ0zNN4I64dtus3CPQ+AR7GSZH47aeTwKPwMY0q33GFWfToeiXfy7VZ+ETNOlB9jkpSmuHPkBq6BA==
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

2026-09-17T10:09:23.927837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076654
observed 6af62b757aea757b98e06277ef0181ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.908251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076654/manifest.json
observed 509ea4cbb1c208e150b7ef5a2e95744f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.888538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076654/publication.md
observed b08b62401cecfd938c5a67be97f68dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.868142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076654/publication.txt
observed b26ed55387d92bf8a1084bcbff7ab1a6...
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.