OpenTechnical

OT-2026-000086379

Publication integrity record

Two bellows cup 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-2026-000086379) never changes.

Identity and time

Publication numberOT-2026-000086379 · never reused
Internal UUID01a0ae9a-2c96-7f1a-88fe-a4ff53eb5bc2 · 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-2026-000086379
StatusPUBLIC

Content hashes

Canonical texte817a7f650384c51b37e7210fd1d00dddb6be9851803b380b9951258d38a3d26
Markdown327cb18b7ca8458b29d7d1d445177869ca3d9536d1c4da5658bf3bad14b9ef8b
PDF
Publication page4e298cfd5006f5f97649f3e5e5e3fa9cdad248ae1316d628ee87b220fea07b72
Manifest1c9787965463464e6a3236a55626c71f54b2e0e442ac067949782e0e17c46259

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
SignatureAbsNtovCQ5WxllfKzITimwbEDpxSRUymy9s20JvgI3DDbZ69fKud4YotFtuyEMjSzDQsaE8bcqGL6nCDFM+ACQ==
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

2026-09-17T09:52:04.398538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086379
observed 4e298cfd5006f5f97649f3e5e5e3fa9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.381627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086379/manifest.json
observed 1c9787965463464e6a3236a55626c71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.364371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086379/publication.md
observed 327cb18b7ca8458b29d7d1d445177869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.347555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086379/publication.txt
observed e817a7f650384c51b37e7210fd1d00dd...
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.