OpenTechnical

OT-2026-000055035

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000055035) never changes.

Identity and time

Publication numberOT-2026-000055035 · never reused
Internal UUID01a0ae86-5e81-777b-ba7c-f53c71b9a52d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055035
StatusPUBLIC

Content hashes

Canonical text95a6446a6c4aafe5eaf38ac255918037eb563d4685d72b61e30bafb55a1ea0e9
Markdown32fb1e87c7f8831fa61bc7fce567255c95b2c2512f5cb6e32c1b42f5c3e272f2
PDF
Publication page67811f6d03923cce064f75d0692ea9eb32ccfb37ed5ba3f13191384db9c6b547
Manifestae4a5ecc96f2abaa7a3614476605c1b3046d8236afd2da5444631e22caeb71fa

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
SignatureBSi5JiNNnYOLNVMqwRhmnvm3/iuC7RpzyiPdm6kD+1hp8MOlt0+/98oW9VHivQiHErN80eYgAOGWm6ijruIaBA==
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

2026-09-17T10:53:10.618696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055035
observed 67811f6d03923cce064f75d0692ea9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:10.601389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055035/manifest.json
observed ae4a5ecc96f2abaa7a3614476605c1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:10.584012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055035/publication.md
observed 32fb1e87c7f8831fa61bc7fce567255c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:10.562988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055035/publication.txt
observed 95a6446a6c4aafe5eaf38ac255918037...
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.