OpenTechnical

OT-2026-000052281

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000052281) never changes.

Identity and time

Publication numberOT-2026-000052281 · never reused
Internal UUID01a0ae83-e791-7062-9a2c-c9ab34af9fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052281
StatusPUBLIC

Content hashes

Canonical textcd134b4409828c2822140536483fb8ae542fc6835400cf5ac2d885239465f7ea
Markdown0dd1567efe54e8a33f85780a0cc2335e4dda9de6d86a56d0dd4254917bcf0981
PDF
Publication page3d6e53ba7ad1a215c0ae1fabafa3def02044b0cc5ec7f3f2b1c78f7fcf99d4f1
Manifest4bd3aa47bea35f0973564ef6fa8a4a5aa8dae79798f9aabee61c5346668f8dea

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
Signatureswdo/uTKqRsgDCtn3JDSk9+EqxP6CZ6r9mNkZ4pEuXNZXc1iVKeeuBK2bq9/dkl8r7umCoSsutuux5Z8LZa4DQ==
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

2026-09-17T10:57:52.343259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052281
observed 3d6e53ba7ad1a215c0ae1fabafa3def0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.326335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052281/manifest.json
observed 4bd3aa47bea35f0973564ef6fa8a4a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.309001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052281/publication.md
observed 0dd1567efe54e8a33f85780a0cc2335e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:52.292815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052281/publication.txt
observed cd134b4409828c2822140536483fb8ae...
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.