OpenTechnical

OT-2026-000058804

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000058804) never changes.

Identity and time

Publication numberOT-2026-000058804 · never reused
Internal UUID01a0ae89-479c-7bc5-975c-9c89d6bf61f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058804
StatusPUBLIC

Content hashes

Canonical textdf154af589cb8d562abe982e5c9429137eaad1e66290ef183b892bd5724fbab3
Markdown83b860c623893b6ca71d2a9547f8797c012f34c3cb668ca4fa77d414348f2ccb
PDF
Publication pageb8d8408dea7f0ceb99c90fae9e00b41bfb66b28fa035c1afcf996a0de7eede2f
Manifesta912fa8f4f9bed53f2275437566cd3cbff7eec56748df780f32b225637138318

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
SignaturezXM8K5GNEBW3qo9QmcM8JtlzrByRPRxGMC7/xnqYzykz/1v6ri6pE8O2Dt+s4gDu7H40VB5IK6rDXE8zpDu9CA==
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

2026-09-17T10:46:19.668505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058804
observed b8d8408dea7f0ceb99c90fae9e00b41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:19.649487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058804/manifest.json
observed a912fa8f4f9bed53f2275437566cd3cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:19.614897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058804/publication.md
observed 83b860c623893b6ca71d2a9547f8797c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:19.578085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058804/publication.txt
observed df154af589cb8d562abe982e5c942913...
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.