OpenTechnical

OT-2026-000061690

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000061690) never changes.

Identity and time

Publication numberOT-2026-000061690 · never reused
Internal UUID01a0ae8b-b8aa-7872-94aa-85c0bf8ff859 · 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-2026-000061690
StatusPUBLIC

Content hashes

Canonical textda30fe3c2e9b02fd29dc7bf9c2e7a4943cc446df34a741c945a724cedfce6c42
Markdowneb1a73ede3a94eac414e0d3822f8a855452f0e74dc4d0a6696cfba93c9f11724
PDF
Publication page19037322d47cfd5ef85f9fc08d2931a247c05cdd417990f3003798807ae32326
Manifest43d8e3a87f495b489fb4bd6fc379478bea2880e12e5052d1552b3a05b6d626c3

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
SignaturedOGZ3kyYJfsb71dSdIyJH+TXavjz+R494SLayZLlBviJqdbWa7IY0WICxQliOXXfF1FsQyFDboOv7HR3ZZhcAQ==
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

2026-09-17T10:40:15.119872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061690
observed 19037322d47cfd5ef85f9fc08d2931a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.100259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061690/manifest.json
observed 43d8e3a87f495b489fb4bd6fc379478b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.077912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061690/publication.md
observed eb1a73ede3a94eac414e0d3822f8a855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.057030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061690/publication.txt
observed da30fe3c2e9b02fd29dc7bf9c2e7a494...
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.