OpenTechnical

OT-2026-000067637

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000067637) never changes.

Identity and time

Publication numberOT-2026-000067637 · never reused
Internal UUID01a0ae8f-6bda-79ff-a4bd-048628510dca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067637
StatusPUBLIC

Content hashes

Canonical textc63b646f5cbad96f6b25ec72fea45d70df8f1f52c10b5cfd7118c26585eee0a4
Markdownededc488e67e1501b9d4a0e06a6677394750d09535563e1f4a519e4b2b7c2f1d
PDF
Publication pageb1751f215fd39d83d2a764140242659190bf76a6056bc81908847f29f949e01b
Manifestc3f0d64895db9e4c863e04df2901e2d89ad2f0811d9007035282c6b4afc3a894

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
SignaturefL12L0Z2fZ1klYzrzDZWJ/Hjx1OpWXYnMuYrDPiYYeMrzD0BCNo/PIn6qOE7mZYupIpNSFsiHw+dgHFK26JbAw==
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

2026-09-17T10:31:57.784530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067637
observed b1751f215fd39d83d2a7641402426591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.768449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067637/manifest.json
observed c3f0d64895db9e4c863e04df2901e2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.749355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067637/publication.md
observed ededc488e67e1501b9d4a0e06a667739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.731551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067637/publication.txt
observed c63b646f5cbad96f6b25ec72fea45d70...
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.