OpenTechnical

OT-2026-000081409

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000081409) never changes.

Identity and time

Publication numberOT-2026-000081409 · never reused
Internal UUID01a0ae96-f375-7cf6-aa43-b6516aa03a4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081409
StatusPUBLIC

Content hashes

Canonical textfc7fbb15161d20561dac736772ec3f1ea6420f59ecb29b8a4a8f74a83b7739cb
Markdown0fcbcc251eb528a03968724d42554b02bfdb77487c420dbf0b8fd7e8c0e600d4
PDF
Publication page987eb50bb156b047b82b87590fe56fba9282915753f0e7471e1f32d8e4f268d6
Manifestb1d9af8f5fdca4a12a975b19a9cdf4049daada86d758fb49a7d99c84359c2a1f

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
Signature6P2fhkV+rgQRYyjlp071tN4X4jz/kCBM9dyV13PyJ/6hxOZ+UON0M9biKDq6MeGIjc3RSSV2RZ0vCwnMCR0MCQ==
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

2026-09-17T10:01:33.484382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081409
observed 987eb50bb156b047b82b87590fe56fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.463994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081409/manifest.json
observed b1d9af8f5fdca4a12a975b19a9cdf404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.444770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081409/publication.md
observed 0fcbcc251eb528a03968724d42554b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.424195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081409/publication.txt
observed fc7fbb15161d20561dac736772ec3f1e...
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.