OpenTechnical

OT-2026-000085021

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, sustained 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-2026-000085021) never changes.

Identity and time

Publication numberOT-2026-000085021 · never reused
Internal UUID01a0ae99-43b7-73a6-8dd6-66a3ff54acb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085021
StatusPUBLIC

Content hashes

Canonical text25ef30509c223d6c605fb1719acd65be35f88deba1d891cd1084d308e0a8771f
Markdown4dffb0d10d7ef13a4559bd44bd5f69c4cdc2e3a81f742e14e73a1c2dc0a7da8e
PDF
Publication page8ff53eaecffcb48413546beb8f4869cf8434969548f2a9d7163de2a5f0d4072c
Manifest269b1886fab7d5a5faf661854f899e8689607ff74e136db1afc99ad38ee49a56

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
SignatureAsxMxj3l/S50qZ9jr4J1TMJo/O+LsmrU5tgJyEBQ4Hd2EvQ3buUM/FVCkck2+ooP8ilOzHIlFFb6OOrMgkVoDQ==
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

2026-09-17T09:55:01.875370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085021
observed 8ff53eaecffcb48413546beb8f4869cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.859460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085021/manifest.json
observed 269b1886fab7d5a5faf661854f899e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.843078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085021/publication.md
observed 4dffb0d10d7ef13a4559bd44bd5f69c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.826364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085021/publication.txt
observed 25ef30509c223d6c605fb1719acd65be...
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.