OpenTechnical

OT-2026-000070538

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000070538) never changes.

Identity and time

Publication numberOT-2026-000070538 · never reused
Internal UUID01a0ae91-5460-700a-ac6c-3b600e7e58bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070538
StatusPUBLIC

Content hashes

Canonical text13521c0ee70cc92e52bf7f13f2f63ca1f4af394d005ff82960258a6cb314660a
Markdown23f386f0a663df5d6d2a1e2554b3fcaf5a29f926aafacf113ee52fccbc1fbe3a
PDF
Publication page92f3069ab978da14cd0aead90ffb0b58515c93a619b365b579f557458ba81ff7
Manifest4d4043afa67b3521bc1167161884884d8d8b744ec8cb7ef811e85e6f1308afca

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
SignatureCBjqeXsEWSX6/SzMibBSnWZbCotnnzuuMMSCFwkwTsn+3qAUcY2gGxaXXJXxdjNL+hIJdms2gA7JVpWWInu8Dw==
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

2026-09-17T10:26:23.106339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070538
observed 92f3069ab978da14cd0aead90ffb0b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.088063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070538/manifest.json
observed 4d4043afa67b3521bc1167161884884d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.071991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070538/publication.md
observed 23f386f0a663df5d6d2a1e2554b3fcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.054222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070538/publication.txt
observed 13521c0ee70cc92e52bf7f13f2f63ca1...
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.