OpenTechnical

OT-2026-000061804

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061804) never changes.

Identity and time

Publication numberOT-2026-000061804 · never reused
Internal UUID01a0ae8b-b8ac-7e79-be7e-e32e89578bff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061804
StatusPUBLIC

Content hashes

Canonical textba902279439d8a6dc8b0b1b8cc7e4c91d5b88df46f612a1da5f0c89c8d16d782
Markdownf038d9fb1e9ba4551c1f911b2d22c025ddda0fb027d4fa78c5e5834dde4f1c9a
PDF
Publication page2d613572ff17dbfd2bc7139384d3dbf1d4d32b0e94d113e9fea28485fbb616a1
Manifest715fffbbfaa14abe193f851dd3ac3c896437d4933b80faec89b286bfbf91823a

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
SignatureT8vcc7CoMBap2DuJUoWLvnrOa5s0KqUleHyOkAWl/AoDU5Hdj9hatdmaC7VL1rlR9ag08Q6qfYuDj8Im1nO7DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:31.801354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061804
observed 2d613572ff17dbfd2bc7139384d3dbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.780302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061804/manifest.json
observed 715fffbbfaa14abe193f851dd3ac3c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.760840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061804/publication.md
observed f038d9fb1e9ba4551c1f911b2d22c025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.738787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061804/publication.txt
observed ba902279439d8a6dc8b0b1b8cc7e4c91...
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.