OpenTechnical

OT-2026-000057686

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000057686) never changes.

Identity and time

Publication numberOT-2026-000057686 · never reused
Internal UUID01a0ae88-2695-7320-b98b-3eb235004136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057686
StatusPUBLIC

Content hashes

Canonical text97d645f639c7891aea5b29c4aa1ed8bd2c8e5bb202bf86f05d5c384b2dabd416
Markdown5372592568d157c79cfc26b41bd319df0f5734457c404adf63d3d72907e0e2d7
PDF
Publication pagea36fd22684280b08a635aedcce24de0b9d5bc42f3d2fc81a395d67a6384ef7a9
Manifest42a2c16a87a9439472a3b8b19c66e4d3fd925369dcf66529517fadf741ca96eb

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
SignatureIIiXPUTBdoyafTke4CPAx+/3PT8YdmWg6Aafuylj8H4b80YI17uIHqwsmzPExl8VaAWUdt2oBMbsHCY5fnNhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:20.789428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057686
observed a36fd22684280b08a635aedcce24de0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.769573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057686/manifest.json
observed 42a2c16a87a9439472a3b8b19c66e4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.750949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057686/publication.md
observed 5372592568d157c79cfc26b41bd319df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.732360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057686/publication.txt
observed 97d645f639c7891aea5b29c4aa1ed8bd...
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.