OpenTechnical

OT-2026-000053000

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000053000) never changes.

Identity and time

Publication numberOT-2026-000053000 · never reused
Internal UUID01a0ae84-a430-7cea-9904-39f86364af89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053000
StatusPUBLIC

Content hashes

Canonical textea7eea6b621abfbeeffd8dc1f4045d436cd3d9a8e924ab6a574006a8e26af397
Markdown0c15e2a46c66efee370b33b73af5db34b38065d81c9726dc018f24d020fbb7c1
PDF
Publication pagef106ac614bff2787b44ef7b08521b7cce40939ff34dc151a8bc7d27c4751f173
Manifest28d15d7d2a26e38fa49ac997df575b8a52550dec59d4b8fd71eb4d07b392e577

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
Signature2cbSLbvqSWdNpnEc8slBsEF0MhI96RTCtMNDk69KHNJUkPVYKLTVkcpfbKi0pQgwsdZ4cqTWRDHm8ZG0DCEKBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:41.755155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053000
observed f106ac614bff2787b44ef7b08521b7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.735298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053000/manifest.json
observed 28d15d7d2a26e38fa49ac997df575b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.717840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053000/publication.md
observed 0c15e2a46c66efee370b33b73af5db34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.696464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053000/publication.txt
observed ea7eea6b621abfbeeffd8dc1f4045d43...
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.