OpenTechnical

OT-2026-000007557

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000007557) never changes.

Identity and time

Publication numberOT-2026-000007557 · never reused
Internal UUID01a0ae62-4df6-7eb6-8aac-4e89c327d834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007557
StatusPUBLIC

Content hashes

Canonical text82c46e57a8c025c561a09d557b3bb9f4cba509be3b918ac2a5b8bcb8366fa024
Markdown59db4e12fd50f205090177caa1a48379f86eb9b7d01a7c220b4cb01a03e0b64e
PDF
Publication page34b2f23281a266b57851ffc242574bdf2e27fb98d07a64c04a004e1d93a7ea87
Manifest7635d6aa31a29bb4bbf1dab563cda0ce5e55a4d522d88441a0f09b2655a2b6d8

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
Signature8UmKlI0Yx5qYN1azFDXXYeL6UAnoLN8szIBiH10brejfmVy4B7b6+/PSACpMCnlzNsxwS3jnyBsyJNj+BtD0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.161024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007557
observed 34b2f23281a266b57851ffc242574bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.143318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007557/manifest.json
observed 7635d6aa31a29bb4bbf1dab563cda0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.126413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007557/publication.md
observed 59db4e12fd50f205090177caa1a48379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.110268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007557/publication.txt
observed 82c46e57a8c025c561a09d557b3bb9f4...
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.