OpenTechnical

OT-2026-000071503

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000071503) never changes.

Identity and time

Publication numberOT-2026-000071503 · never reused
Internal UUID01a0ae91-e0ee-7dd5-9707-d15f4ac85500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071503
StatusPUBLIC

Content hashes

Canonical texte3a7facda018b4ab3c2f47ab27f4806df3a123adc7de792a4aedcbb8e67a8812
Markdown543be803d5faafc16ba44e935ba48aee7c0537f486601495da446e0d1f171d46
PDF
Publication page775c9d722381b1e3a5ef87960be11f466a16a2d54dfdb4e477b32df2d2c806bb
Manifest62aaacc1a07fe3b14e476621cb9e88d781f375003a4457d104c9c7c4b0738a11

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
SignaturexfqC+WWMCXN9L68DFbv6rrKggrkwqRywSyZD01KhMXmXXHrwhMYoh0rqEtxzhkQBhOakvCHzn+oKAMnYAtt0Aw==
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

2026-09-17T10:25:08.827280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071503
observed 775c9d722381b1e3a5ef87960be11f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.808443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071503/manifest.json
observed 62aaacc1a07fe3b14e476621cb9e88d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.789669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071503/publication.md
observed 543be803d5faafc16ba44e935ba48aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:08.769138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071503/publication.txt
observed e3a7facda018b4ab3c2f47ab27f4806d...
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.