OpenTechnical

OT-2026-000078851

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078851) never changes.

Identity and time

Publication numberOT-2026-000078851 · never reused
Internal UUID01a0ae95-ccbd-7837-845b-5bfa5eeab3ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078851
StatusPUBLIC

Content hashes

Canonical text06c06e5b9ad7753219d9d686fc3e784564bae8f4a426612fafc18c2df727771a
Markdown355d2c4393ea4cb06e44bc690db89afae4eae7530b6d536fc912b24da6a33781
PDF
Publication pagef7967973f7fb6305aa43e7bbdf92030d015d45ab87c9c09e7fcc52374718d1f1
Manifesta1b79a84862fce0b49f71f9c38d33213ec6e1766dfac648e3f95916723543a78

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
SignatureVreCjyCfmSVta4mcFzTxC9CP8XvVH96PTvhBBRZVDVz8J+r7Ct+jZ6K3of8AR7Tb47ft1UwEcmMUKMA/95DbAA==
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

2026-09-17T10:05:38.987969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078851
observed f7967973f7fb6305aa43e7bbdf92030d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.970985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078851/manifest.json
observed a1b79a84862fce0b49f71f9c38d33213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.951909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078851/publication.md
observed 355d2c4393ea4cb06e44bc690db89afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.933543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078851/publication.txt
observed 06c06e5b9ad7753219d9d686fc3e7845...
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.