OpenTechnical

OT-2026-000063516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063516) never changes.

Identity and time

Publication numberOT-2026-000063516 · never reused
Internal UUID01a0ae8c-f945-76f8-ada2-66d76d250cd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063516
StatusPUBLIC

Content hashes

Canonical text619d8c90cbaa71807dc42909e98ea86c50513bd428304ca0790beb8791237a16
Markdown0d6b512f1865a64a3400c420a35ce46d7cde47565ec8ec79036c79f08d8266ee
PDF
Publication page9685c99ddf9c9d33f9ce3d4c43d2aa572e8f5c0eff129a9e5f0d7d5a0cdef675
Manifest8029b141eeb3f447010b67f208cfbaff1220d4e90eab4df8b7b8086349f80647

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
Signatureyr9tcnw52JG/B5qf9It1kci9o1ROsurhhkKiSgo4oFuZxmR1+d23XX6jlhw9PpI2Z0POXpwQMci/hc56XwmXAg==
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

2026-09-17T10:37:30.119800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063516
observed 9685c99ddf9c9d33f9ce3d4c43d2aa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.101045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063516/manifest.json
observed 8029b141eeb3f447010b67f208cfbaff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.080355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063516/publication.md
observed 0d6b512f1865a64a3400c420a35ce46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.060648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063516/publication.txt
observed 619d8c90cbaa71807dc42909e98ea86c...
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.