OpenTechnical

OT-2026-000088572

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088572) never changes.

Identity and time

Publication numberOT-2026-000088572 · never reused
Internal UUID01a0ae9b-8f0f-792c-bb74-87c355537d5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088572
StatusPUBLIC

Content hashes

Canonical text695f7f09a9230c2b03643231b66e39be3f23578e604bbf51244ef166505cbd77
Markdown98abb6bdcf2b45e6313ce834d84ca1b5147572395a3b34de05e3e38d21805ffc
PDF
Publication pageae3a52da4132104fb28b2c158fb840c0162d7c12536008d179f9c837024bd1ad
Manifest729bf43f6f45d305d52f98ce7dac1a05d64232402a5e4db596e27a4b2dfb788d

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
SignatureUkt4CeOpMMlsPbSJwofLvzaIwJk4CsVypZx4UZrHgMVMBxB4gYkinDKafPD5+L0R81wFo8SO1meaixwp/yeJDQ==
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

2026-09-17T09:47:45.547889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088572
observed ae3a52da4132104fb28b2c158fb840c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.531004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088572/manifest.json
observed 729bf43f6f45d305d52f98ce7dac1a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.514567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088572/publication.md
observed 98abb6bdcf2b45e6313ce834d84ca1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:45.496549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088572/publication.txt
observed 695f7f09a9230c2b03643231b66e39be...
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.