OpenTechnical

OT-2026-000055504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000055504) never changes.

Identity and time

Publication numberOT-2026-000055504 · never reused
Internal UUID01a0ae86-a102-7201-87df-471f3d47014f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055504
StatusPUBLIC

Content hashes

Canonical text578eab69dc49ef266a293999b0453d9f504db06ff9ee1a33d4949688c2ffa394
Markdown1111cc50e64224988290f309f872546b710eb017a18afb59634a1cf3c27b027c
PDF
Publication pagef279ee176b974733ca4f628f45a50800975922b32d7ad9e6b3ea0c66904138db
Manifest3f5edcd49a837810ad6079c2efb3aa573390c63516e756e0d01b88e5b11c688e

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
Signature9OOTwSOiJzaxXStoUodUz0/sUV8v01G7DADddHUJ3f4FBjCHq8LwQiiF76ScEOjMwXpfn3aGs/+Ib0jhHewGBw==
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

2026-09-17T10:52:10.548828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055504
observed f279ee176b974733ca4f628f45a50800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.531757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055504/manifest.json
observed 3f5edcd49a837810ad6079c2efb3aa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.514540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055504/publication.md
observed 1111cc50e64224988290f309f872546b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.496790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055504/publication.txt
observed 578eab69dc49ef266a293999b0453d9f...
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.