OpenTechnical

OT-2026-000086391

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000086391) never changes.

Identity and time

Publication numberOT-2026-000086391 · never reused
Internal UUID01a0ae9a-2c96-77e9-abc2-656281746a0a · 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-2026-000086391
StatusPUBLIC

Content hashes

Canonical texta45dd356e38148b8d00e9597c65f2ce16e2b6f203f52e813ddfd6259a93f8d7e
Markdown13a4df2c36ee7ccbd0d2d2ccd9a84d10ecaa53c75b4783e3a71d4e299ed9fb55
PDF
Publication pagee6e578ac10bba7222cf5278a27a400ec205ce702e644e301222b3e9ff6d0ac09
Manifestc414d25edf2401cd3cfee51b9bd48790d332ee4c62d26da728a8addacdd4caaa

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
SignaturerqsERGeHkuq/zsYYiyooFJSbhr+FPbyPQ6CWtFSPic4dfnE/HpePezv7223iUej1XJkexBwYWWH7xpHy2NFtDQ==
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

2026-09-17T09:52:05.246119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086391
observed e6e578ac10bba7222cf5278a27a400ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.225624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086391/manifest.json
observed c414d25edf2401cd3cfee51b9bd48790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.208931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086391/publication.md
observed 13a4df2c36ee7ccbd0d2d2ccd9a84d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.190414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086391/publication.txt
observed a45dd356e38148b8d00e9597c65f2ce1...
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.