OpenTechnical

OT-2026-000086041

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000086041) never changes.

Identity and time

Publication numberOT-2026-000086041 · never reused
Internal UUID01a0ae99-e82b-794c-aa7c-9146ef3bb386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086041
StatusPUBLIC

Content hashes

Canonical text81c3a2030a50c245b7ee2abb16d6bb976916ef27733cad55ba2ff48b05a3d3e5
Markdowned2162368e80aaac8816bab221b25178b178b6fbf6dc753c5dc4c0b4e96236ba
PDF
Publication page261ccccc37c4fdb96dd51a3a2834a40b03b9d32f501e01065a51876406e108c5
Manifeste627c1406545e78b5980b2a1fdd3cf236394d1ea49269642fe21dd5083c0c5a9

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
Signature5pShUPd0uVf1YTASbgGZu/I3LNNpuz2OhC8uYEDeH/NpmWXygSqTqDTqcetE4T5b41czdttNxvRLg7pwyKnRDw==
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

2026-09-17T09:53:02.061377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086041
observed 261ccccc37c4fdb96dd51a3a2834a40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.045967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086041/manifest.json
observed e627c1406545e78b5980b2a1fdd3cf23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.028713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086041/publication.md
observed ed2162368e80aaac8816bab221b25178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:02.011417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086041/publication.txt
observed 81c3a2030a50c245b7ee2abb16d6bb97...
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.