OpenTechnical

OT-2026-000068039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068039) never changes.

Identity and time

Publication numberOT-2026-000068039 · never reused
Internal UUID01a0ae8f-c4fe-706e-820e-22d0eb7c051c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068039
StatusPUBLIC

Content hashes

Canonical text1fe92cdef465aeb2e4dd56896da0be6c105095db034104705429fa91dd941fa7
Markdownd5be826922383b8acafb2cab893d15ed8a4ba9623dce615e260e6a9556990c3b
PDF
Publication page8db69458a7e42d5bee66a4b5e1901c9ae382feca6e36460a8ee844164cf65ba2
Manifest036ababe18c1aad218a14272858a72c715fadab04ea84637e9825b2f52f04035

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
SignaturemQ0wvzm3Z8QhCrocr5CruxcpVDuvlXcA4WMF5HTD58xX/tS58NT4FzuOR3WABHqvx9DAjdsaZkdXI/+975JbDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:36.379848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068039
observed 8db69458a7e42d5bee66a4b5e1901c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.363916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068039/manifest.json
observed 036ababe18c1aad218a14272858a72c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.346805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068039/publication.md
observed d5be826922383b8acafb2cab893d15ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.329488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068039/publication.txt
observed 1fe92cdef465aeb2e4dd56896da0be6c...
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.