OpenTechnical

OT-2026-000081701

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, sustained blow-off before 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-2026-000081701) never changes.

Identity and time

Publication numberOT-2026-000081701 · never reused
Internal UUID01a0ae97-0f73-7e5d-9755-80136e28c76e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081701
StatusPUBLIC

Content hashes

Canonical text295b648b8934d9260e40397b3f7c6a67c19d002179a21e321071bd8a559626fe
Markdown28a56532d31156dd40548f84ee01f21da0b97a72e9f95c1e5190d5dc9a14b96a
PDF
Publication page0d906246624d9ad5be8fee19d813ce6e5cd04f77646a47d8ebc167522d153bc2
Manifesteb8273600cae87273ff7de9d871e38f0ef0ac728c85cbbe4c8a6293171d64166

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
SignatureQg7aBEE9g+r5vwQarOuSGJ6VbETfG9IZO0In6jKW/L0v3QtpwKN6TVuYTLWXM3HfwoTc8NaCRIgUaJBynsVkBA==
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

2026-09-17T09:59:46.214298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081701
observed 0d906246624d9ad5be8fee19d813ce6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.195052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081701/manifest.json
observed eb8273600cae87273ff7de9d871e38f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.173323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081701/publication.md
observed 28a56532d31156dd40548f84ee01f21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.116502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081701/publication.txt
observed 295b648b8934d9260e40397b3f7c6a67...
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.