OpenTechnical

OT-2026-000052567

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000052567) never changes.

Identity and time

Publication numberOT-2026-000052567 · never reused
Internal UUID01a0ae84-573b-74f3-b928-24964fef11ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052567
StatusPUBLIC

Content hashes

Canonical text9fc781540451068369748514d0219367b7becca07e420a62734029c8c6893e83
Markdownb80b4286eeacc023e99dc03eee74a5693e51890f6ae18e32135d59556de766f8
PDF
Publication page2fba8037cdc4c6e49f878f5c706cdb2ba95dce6b750a24cefdddf06448741b87
Manifest3a46763e9760ecbe040d2cc457e43085fa18cf7a8e0ffcf233528732cbe76040

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
Signature24YOnPEwRJGK5+SIpUtghwfY29KkXORSKHDzF3F8av3TliFIk2JVgWeQWzCXiaRqL9+OAc5U0iScrwgOAMsAAQ==
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

2026-09-17T10:57:13.526130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052567
observed 2fba8037cdc4c6e49f878f5c706cdb2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.508364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052567/manifest.json
observed 3a46763e9760ecbe040d2cc457e43085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.489310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052567/publication.md
observed b80b4286eeacc023e99dc03eee74a569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:13.472195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052567/publication.txt
observed 9fc781540451068369748514d0219367...
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.