OpenTechnical

OT-2026-000086903

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000086903) never changes.

Identity and time

Publication numberOT-2026-000086903 · never reused
Internal UUID01a0ae9a-80a5-75c2-a731-54c43b907245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086903
StatusPUBLIC

Content hashes

Canonical text96f4b428a8a73765e3a3bed2ef6fade17595dfe5e3a70fa45022ccd2f9ad129c
Markdown9a3af0e7f532f2a6c8e415a5a70f3da926af9b1b7efa67bcd3bc3402834fe6a2
PDF
Publication pageccc4d597973fe64fef3b3ee0f1e5f0f526960a9493a6911c08631cae2da44937
Manifestc12dc5beaf52727e2de359af4702f02076a2b699afc5d281b2765373241a8f41

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
SignaturelDvPIV03jvdY10uJ8/9IH2bkps1dRnBrWEvExpRDp91TWCX/wuEpW6xhn+GG0E/2xtQYzHqXvJh+tUQ6REGsAQ==
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

2026-09-17T09:51:45.300852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086903
observed ccc4d597973fe64fef3b3ee0f1e5f0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.278138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086903/manifest.json
observed c12dc5beaf52727e2de359af4702f020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.259421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086903/publication.md
observed 9a3af0e7f532f2a6c8e415a5a70f3da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.239659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086903/publication.txt
observed 96f4b428a8a73765e3a3bed2ef6fade1...
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.