OpenTechnical

OT-2026-000073836

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000073836) never changes.

Identity and time

Publication numberOT-2026-000073836 · never reused
Internal UUID01a0ae93-2b8d-7da9-9fd0-6b303537b72a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073836
StatusPUBLIC

Content hashes

Canonical textaaae40438c201b31e04dc919b3a2f6543341d1827d3939873b77692f55e4f9bc
Markdown8d8c0540a6ef4b62a86bb9efc9e672442abcd4233f0b6180f810228aedca08d9
PDF
Publication pageb0a514ab49e62f01156a074ebd877a96c50279fd133f7d2ab64a738accefa699
Manifest39cad1e8081001656ec4643f2e30fdbb2637f0b88df9ec4111ad40d85e958236

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
SignaturecW5/Geqk//QGt8t9gLWC35aVUKyiHPo9Q4bAclLkKqXwWeI1QabuVGxTRpfyjj2ujWQU7V/PWkT6wE6ajynrAw==
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

2026-09-17T10:19:57.951666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073836
observed b0a514ab49e62f01156a074ebd877a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.932065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073836/manifest.json
observed 39cad1e8081001656ec4643f2e30fdbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.910443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073836/publication.md
observed 8d8c0540a6ef4b62a86bb9efc9e67244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.891084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073836/publication.txt
observed aaae40438c201b31e04dc919b3a2f654...
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.