OpenTechnical

OT-2026-000048057

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000048057) never changes.

Identity and time

Publication numberOT-2026-000048057 · never reused
Internal UUID01a0ae7f-c423-7143-9045-f3be76502509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048057
StatusPUBLIC

Content hashes

Canonical textcff0419aa5954282257d7cb7497bdb65ec5efb36489f484119fb186033e555a1
Markdownf33f2bbce09d4ae2f8f7b86018a60e351529b9a57d98dae1faa570ccdbcf1305
PDF
Publication pageb24eb78a767e1d6ce46882597f9a7619ffa26cac8418c0f96abc482b474c9494
Manifest6f7763af656e8ad24bfa9aa517ddeeca7a4235939d7dc4dc54e7b10456013c2c

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
SignatureDsDnfhpdAf0a/0i7gzhJbvVK3aFYrJ5feqAZyLibcytNiJPHwxUdhGVd+9592PxG58QEC9fsPGGEDOLcEtfKDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:03.942876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048057
observed b24eb78a767e1d6ce46882597f9a7619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.925267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048057/manifest.json
observed 6f7763af656e8ad24bfa9aa517ddeeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.908612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048057/publication.md
observed f33f2bbce09d4ae2f8f7b86018a60e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.889697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048057/publication.txt
observed cff0419aa5954282257d7cb7497bdb65...
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.