OpenTechnical

OT-2026-000053973

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000053973) never changes.

Identity and time

Publication numberOT-2026-000053973 · never reused
Internal UUID01a0ae85-b3a7-7e8f-bbd1-1ba6ca3f2d84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053973
StatusPUBLIC

Content hashes

Canonical textce1b9ca5dc39fa9659d2ed55933511cb18751ba81a51792415fa11ab7e96f054
Markdowna22e3aa00e85609487d89e5491514c9a038d11f16491b433ce6efe694aba80b3
PDF
Publication pagee1ad402e2ddbb660e745951169dc462742818bd0c937c3d101d3b167201f25c1
Manifest5a0b75ca3ce4cb614f4ff9747194078c064a2f4f14c72dc8865111d5286a99fb

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
SignatureT9OPXc8Ufn5d4Q7wF3qD7OmNb2mwPog2l328L3T5+7T8OCXTxvYqPX0V1CVYpnmbeecVLjJ713Tvr7Id6hK/BQ==
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

2026-09-17T10:54:15.482897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053973
observed e1ad402e2ddbb660e745951169dc4627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.444350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053973/manifest.json
observed 5a0b75ca3ce4cb614f4ff9747194078c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.414333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053973/publication.md
observed a22e3aa00e85609487d89e5491514c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:15.387442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053973/publication.txt
observed ce1b9ca5dc39fa9659d2ed55933511cb...
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.