OpenTechnical

OT-2026-000061199

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold 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-2026-000061199) never changes.

Identity and time

Publication numberOT-2026-000061199 · never reused
Internal UUID01a0ae8b-1380-78e3-8f70-60cd9e9e373b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061199
StatusPUBLIC

Content hashes

Canonical text960b948c7ad919ca11c2e12b625cf45e7a771473cfac742015270b446e87088d
Markdown5680f52667942f632369e0ec4f51d9e0f1410bb16d5655b4ce506aea0bfc4852
PDF
Publication page6fe754f27ad4fa190d98a51002f50a3f1ea93d29534d0031921f63a3d44c2a24
Manifest5ef872a2c2a5b1ab6e228e55302ba26936bc58d1a178e0b9388e5e3dee997a3e

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
SignatureOXghN0ZkAV4eRXRfuZnQbDlz5ytQR8irgjIqP8eAZoejFom9Pv3eK9l+k0LvP3vSD6YTBOMsGNTQidKsYm1NAw==
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...

Independent retrieval

2026-09-17T10:42:35.852324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061199
observed 6fe754f27ad4fa190d98a51002f50a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.833322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061199/manifest.json
observed 5ef872a2c2a5b1ab6e228e55302ba269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.814176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061199/publication.md
observed 5680f52667942f632369e0ec4f51d9e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:35.795197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061199/publication.txt
observed 960b948c7ad919ca11c2e12b625cf45e...
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.