OpenTechnical

OT-2026-000101518

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000101518) never changes.

Identity and time

Publication numberOT-2026-000101518 · never reused
Internal UUID01a0aea4-0e15-71dd-9d9c-784ae7c7d407 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101518
StatusPUBLIC

Content hashes

Canonical text8a2403b4538af9ef678acd3bf5c49a90881a94bdc3e8731f99e22009d1fb1f5f
Markdownf9f11e16259ba9ab50925fd0501d0531d04b19ef1572130105effa2a2059f088
PDF
Publication page825479aab8a44cfbbf408186252a29f36e8d5b70b78738c777d024db8148b87a
Manifest63c88abecea142e63c30f1dc9b2f85f8b1642a63493e46f107e7cddf31ad89c6

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
Signaturela007t9bg7oX6CGfVV6Sm9JIClb9vKImSHOfi8iwlBm17vz6u8S09Wi7tAd9o8VF6jYCOvfo7cKENkYPLKhjBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:01.545786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101518
observed 825479aab8a44cfbbf408186252a29f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.526513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101518/manifest.json
observed 63c88abecea142e63c30f1dc9b2f85f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.506671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101518/publication.md
observed f9f11e16259ba9ab50925fd0501d0531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.485633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101518/publication.txt
observed 8a2403b4538af9ef678acd3bf5c49a90...
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.