OpenTechnical

OT-2026-000076720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000076720) never changes.

Identity and time

Publication numberOT-2026-000076720 · never reused
Internal UUID01a0ae94-b06f-7791-9935-75908282a9c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076720
StatusPUBLIC

Content hashes

Canonical text00d8f6560e6ff72e18e0686f5bd7ecbeb75ac3bcea077fe8026d6a9a86e8f006
Markdown49ef80936db49958ffabd4075d1d14ef7183453a61a80299cbf4c87e63ff217d
PDF
Publication pageb5128e6b3e58a8316dce9792c290e404b336e76441ea63539b3a8afa4d430cc4
Manifest80b613d4e5ae0afba17c1ffffb7ada9643ca0c129a1115901a07cce2ddb79dab

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
SignatureNwgblPuuBHEUoKui7kY5NLDwqpYq7x2JdknvZPeBGG4RHUUffNJA3Xe4XV/bbO66V4qkeaGXbSjQiKJGua5oCw==
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

2026-09-17T10:09:29.495370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076720
observed b5128e6b3e58a8316dce9792c290e404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.473913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076720/manifest.json
observed 80b613d4e5ae0afba17c1ffffb7ada96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.454375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076720/publication.md
observed 49ef80936db49958ffabd4075d1d14ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:29.434793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076720/publication.txt
observed 00d8f6560e6ff72e18e0686f5bd7ecbe...
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.