OpenTechnical

OT-2026-000078599

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000078599) never changes.

Identity and time

Publication numberOT-2026-000078599 · never reused
Internal UUID01a0ae95-7c29-7ded-a1ba-b3607dc39615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078599
StatusPUBLIC

Content hashes

Canonical textd4dc6dda00d66397ee9eddfc631e17f4955fa4ebd0a74efe91f2beb0b94d6efb
Markdowne98fd0e749daba2bc8fb30ddc8dccd27cb914d7a17e38a33b62adc3a7ec5ff85
PDF
Publication page233748d1a82141e2ca701852aef9b7e6f2e9112fb266890a55081dbdb6829bf0
Manifest4b2cd70687c85844a83e9ab91ead08d5b800ff6c05fbd0642bf44ce6891aa422

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
SignaturealTAz2esAo0FtP/JgyDevd/y1ABPuQ+3F6Ux4y284efD0EQU2O9ZpR954FHzAPEpf+mWIMtCgjjoY4zgLEvGBg==
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

2026-09-17T10:06:37.821321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078599
observed 233748d1a82141e2ca701852aef9b7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.803333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078599/manifest.json
observed 4b2cd70687c85844a83e9ab91ead08d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.784591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078599/publication.md
observed e98fd0e749daba2bc8fb30ddc8dccd27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.766352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078599/publication.txt
observed d4dc6dda00d66397ee9eddfc631e17f4...
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.