OpenTechnical

OT-2026-000067884

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000067884) never changes.

Identity and time

Publication numberOT-2026-000067884 · never reused
Internal UUID01a0ae8f-c4fc-79ae-a4a8-cdd33840db51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067884
StatusPUBLIC

Content hashes

Canonical text6d65ea022881c2bff479cb80742261323353d1540050247c47687e221a9ba863
Markdownd903a00e425cc2139e54445290acb3159ce6c7f8c01b955e0feb8a31b548cb0e
PDF
Publication page76ba8b9b7a4d383e7854e01bdb1f1d28c324f025e1b3889d4109b8b9a66f4230
Manifest342494c9ddc76e4d0bb8fdcf74d573bb7e0749a4c58f8202bc5e6d24a8c984c0

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
SignatureRNg8xM6w45FUNScv5cIMe9W+iXCECmMovI/b6vcwuyysJGOxmYfEy2YEMyKpy31oXfc1+zPdTJOl8BWWQ7SWCg==
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

2026-09-17T10:30:16.744102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067884
observed 76ba8b9b7a4d383e7854e01bdb1f1d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.723032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067884/manifest.json
observed 342494c9ddc76e4d0bb8fdcf74d573bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.675792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067884/publication.md
observed d903a00e425cc2139e54445290acb315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.524084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067884/publication.txt
observed 6d65ea022881c2bff479cb8074226132...
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.