OpenTechnical

OT-2026-000016827

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed 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-2026-000016827) never changes.

Identity and time

Publication numberOT-2026-000016827 · never reused
Internal UUID01a0ae6e-5919-7aee-82a0-285afccd29f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016827
StatusPUBLIC

Content hashes

Canonical text3c72d4f0d808f5ea42bf5acc3b56a87a08f013b13d159fb060b980cbc659f0cb
Markdown68e516534a4288a0c6d4848876b6a7e4f56b77e25725ce52235bf82c3cd8850a
PDF
Publication pagef531a02288ace4f9231eb87e3405688d88e4043dbf9ff732ae8512cd3699aa0e
Manifestb18ace80aca276c3c8c948eb7248ad8588a9511067b825f7f881684ca1c1997a

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
Signature0xzKQn17OiBvGkjcauc18lvxitKoopEqGoHnQSVlbDopqgRQQfmuF5JzTBxncA7RDJr8og2s1pnEJ4GbiJXgDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:05.101775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016827
observed f531a02288ace4f9231eb87e3405688d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.085137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016827/manifest.json
observed b18ace80aca276c3c8c948eb7248ad85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.069402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016827/publication.md
observed 68e516534a4288a0c6d4848876b6a7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.052927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016827/publication.txt
observed 3c72d4f0d808f5ea42bf5acc3b56a87a...
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.