OpenTechnical

OT-2026-000086207

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two 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-2026-000086207) never changes.

Identity and time

Publication numberOT-2026-000086207 · never reused
Internal UUID01a0ae99-e82c-7cb5-88f3-9f449e730fd8 · 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-2026-000086207
StatusPUBLIC

Content hashes

Canonical textd27de2361c9a2820412d2b415e8f39453e71759ea02b4f8ff90cdc07e2541e53
Markdown639c86d5022290ed2e386360e59be6d0068d9e77521cefbcf4bc18d43c5bc43b
PDF
Publication page21ce8d64ac4b6db1a922a3d5ce024d9c6619631bf74c8b754006107472c3afe2
Manifestfe134b08dc1f717681dc3aa91c28e3f1260bebf514f814b8f4d6c502879dc50a

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
SignatureDapP5zZw+UCIRkZAA5wAIs5I5VnOsmWFIk1Z73ozAFV3ZnWYeh/w+HMek9igUWP5q6hB3SEQc3ixZ7SEowfwDA==
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

2026-09-17T09:53:53.332599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086207
observed 21ce8d64ac4b6db1a922a3d5ce024d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.316128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086207/manifest.json
observed fe134b08dc1f717681dc3aa91c28e3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.300400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086207/publication.md
observed 639c86d5022290ed2e386360e59be6d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.283232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086207/publication.txt
observed d27de2361c9a2820412d2b415e8f3945...
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.