OpenTechnical

OT-2026-000072167

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072167) never changes.

Identity and time

Publication numberOT-2026-000072167 · never reused
Internal UUID01a0ae92-47c2-76ad-b05f-15420688655a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072167
StatusPUBLIC

Content hashes

Canonical textc1a0036343a5bffee23e64f15e5cea9e7abc9b5d8e0c15d4e49cb8585859c6f7
Markdown4f09220dc21493c2a9e99edca378d2b98958e2bfe735bbfb076b97871d8c9b5a
PDF
Publication pageec82010432a6ce85411d7d56f3b9068ee38c60fe68c226976c003875c4ab50b5
Manifest47a0cfc2d3ff3dd48e0d1bb606a9ed2652d61b86e2bf0c30a535d8ec1a3212ef

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
Signatureqo9RFEHOzEPrboSRBof5SRF78oxR/DWVzVkP+eUus7HWLeny/JZuFkyQbZbQxei0n0hhWV6ZWlb8eboXEovLAQ==
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

2026-09-17T10:23:15.939919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072167
observed ec82010432a6ce85411d7d56f3b9068e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.922806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072167/manifest.json
observed 47a0cfc2d3ff3dd48e0d1bb606a9ed26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.905437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072167/publication.md
observed 4f09220dc21493c2a9e99edca378d2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.889930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072167/publication.txt
observed c1a0036343a5bffee23e64f15e5cea9e...
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.