OpenTechnical

OT-2026-000081611

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000081611) never changes.

Identity and time

Publication numberOT-2026-000081611 · never reused
Internal UUID01a0ae97-0f72-74b8-aa40-9c197d411a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081611
StatusPUBLIC

Content hashes

Canonical textc227f27ee19d22c88a8e47d4520023d3609ece01cc702dbe2ea6ff7a3991abe8
Markdown83f6f9d265fa0931ee8384b363ebeded35ea7505243c144ee01b721323ab7ed2
PDF
Publication page93f7b204a20f1b2fe8d7a123b10497fb38b8dde7b5e7cfd372679ef3330abd41
Manifestd80c0402d608bdf0263a4f3ef2c38c2667b1dec6b460487286079406cf63508f

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
Signature9EPJYXS/SvOlBnf71MGY9X/rBjSK3/lJv2nItVkqdRd8vYuGY6xlXE3hLt+oCeykkph3nAmIBVXOmXC8CdsCAw==
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

2026-09-17T09:59:39.086506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081611
observed 93f7b204a20f1b2fe8d7a123b10497fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.068417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081611/manifest.json
observed d80c0402d608bdf0263a4f3ef2c38c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.048626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081611/publication.md
observed 83f6f9d265fa0931ee8384b363ebeded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.029380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081611/publication.txt
observed c227f27ee19d22c88a8e47d4520023d3...
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.