OpenTechnical

OT-2026-000103397

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pulsed blow-off 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-2026-000103397) never changes.

Identity and time

Publication numberOT-2026-000103397 · never reused
Internal UUID01a0aea4-e460-75d0-b21c-09b65d40ea8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103397
StatusPUBLIC

Content hashes

Canonical textddf04f0dafc169f20658aac1e852596f87b46877c4cd68c3f07901c99b7e2a2b
Markdown42265a1fefadbccde19d9a3ee720c107b35196737f8feb75d15619a6d155c9ac
PDF
Publication pagef2d39799382d7a967794f71890e8e0218420de7906942a22a654222724610dc3
Manifest4b2f37003160ce27ec50cd888911261c87ea2d6563917c08c48af19ee15f090a

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
SignatureZNWzw7HMvZrim3zUAe3AUKsZsl4//lZwiF82hrJ9HafYLn/jnh+PbHmpcBRKBvCiWrZU9SBmJI+PvvYWK8ZeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:08.413839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103397
observed f2d39799382d7a967794f71890e8e021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.395382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103397/manifest.json
observed 4b2f37003160ce27ec50cd888911261c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.378378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103397/publication.md
observed 42265a1fefadbccde19d9a3ee720c107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.363141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103397/publication.txt
observed ddf04f0dafc169f20658aac1e852596f...
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.