OpenTechnical

OT-2026-000004547

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, three stage ejector, pressure verified, contact triggered

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-2026-000004547) never changes.

Identity and time

Publication numberOT-2026-000004547 · never reused
Internal UUID01a0a91b-9292-7637-9c35-dbbe85373324 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:25:51.637662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004547
StatusPUBLIC

Content hashes

Canonical text6c988723ca14e328c6a55f2658564090bb43f07a85c060f5c88fe3eeec534b25
Markdown0bd6cb6a5689a4cea84a8c4fd621e046c8002cc92050907a92622c61ccbd55c1
PDF
Publication pagea32b42a3d943c0f996307401e98c8d1786f047dd4a5b09d0209b1d54152b9884
Manifestbd8bdd1eb318076ae8a0146eb39d95cc6974483b020640d49936e77c8f408d2e

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
Signature1FtpcdInTTOYg45qxNCKLi1dPaf7ckyHUcr4JiPUXfu2whzplk9n+lh4BXb/fnQ69kzNBhHhjQPpskZzQq2+Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:16.132540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004547
observed a32b42a3d943c0f996307401e98c8d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.995089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004547/manifest.json
observed bd8bdd1eb318076ae8a0146eb39d95cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.983816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004547/publication.md
observed 0bd6cb6a5689a4cea84a8c4fd621e046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.970675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004547/publication.txt
observed 6c988723ca14e328c6a55f2658564090...
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.