OpenTechnical

OT-2026-000061485

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000061485) never changes.

Identity and time

Publication numberOT-2026-000061485 · never reused
Internal UUID01a0ae8b-7b43-70fb-93af-5353f0c12664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061485
StatusPUBLIC

Content hashes

Canonical text5bb239b3277067cd1ad454880d619c71a458fd43f7e07ceb0e2480245e2dccd5
Markdownb33db26affca04d59f39c9941e605e6ffaf6d4cc677ab9ffb4cc51bb7410cbbd
PDF
Publication page2e5be2f3f9ae7a8d751709d9bf4d2a9dfccae39b1afd84e5649ba812862bf287
Manifest503476fd43e6485dbd337c9d10301c4aee8a0f1011faa63800662efcc8948034

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
Signatureapdp2qU5w/JfVXZVU5c2tUyTOY2BYKnXaDxChi63AnUsklI43WPmxgVxlc+pISNCxxDF+Ch8yO5DUlVylNLTAg==
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

2026-09-17T10:41:22.515100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061485
observed 2e5be2f3f9ae7a8d751709d9bf4d2a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.496751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061485/manifest.json
observed 503476fd43e6485dbd337c9d10301c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.478529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061485/publication.md
observed b33db26affca04d59f39c9941e605e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.460641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061485/publication.txt
observed 5bb239b3277067cd1ad454880d619c71...
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.