OpenTechnical

OT-2026-000086620

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000086620) never changes.

Identity and time

Publication numberOT-2026-000086620 · never reused
Internal UUID01a0ae9a-2c98-724a-851c-c25cc8f8fed7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086620
StatusPUBLIC

Content hashes

Canonical text8430783e84eb06b7655ef8b4441e8259da3079f78074b8275fc2bc67ee324c8b
Markdownedb6e01776ab0007014e0240183d4bb22c24c6bb9a3c1394ca17902bbe7bc648
PDF
Publication paged2a7e3c325f6fee96f425fab407592d8d5abeefbd06330c9e6250456c0e22eee
Manifest8f65d691c1208ab00ff96f2241163f578a3115f58fb6aa645eae841dafefb9cc

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
SignatureVTpzPzxZHwzang5KSYR83yrccgeEH8BMBBzqZycoyJhce7eSXwQmn+Fb4vydVWtcLcHT3QF75ZYeCol7PD0iCA==
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

2026-09-17T09:52:28.217106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086620
observed d2a7e3c325f6fee96f425fab407592d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:28.199063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086620/manifest.json
observed 8f65d691c1208ab00ff96f2241163f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:28.181746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086620/publication.md
observed edb6e01776ab0007014e0240183d4bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:28.164622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086620/publication.txt
observed 8430783e84eb06b7655ef8b4441e8259...
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.