OpenTechnical

OT-2026-000080139

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000080139) never changes.

Identity and time

Publication numberOT-2026-000080139 · never reused
Internal UUID01a0ae96-4378-7f75-8094-04adc2665b70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080139
StatusPUBLIC

Content hashes

Canonical textc6d689f392ca6095ed391ebebc65aec89241c8a5093a787432f761ed05ca9169
Markdownf1c54742b2e125c446196e9fe4b943cbddfd694c5f762ea2702b194b4445623c
PDF
Publication page98092ece261e8053278f83043b11ef9813313d6757ae6f900387ef248658671c
Manifest7b3d43a64cbb1c92772d22b0af267e5b618a804084c34aa3f326dd2a4be6c3dc

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
SignatureSj/kmzu4IK0+g/Ld8uL0bXqAb69iht+dmfv4Kn7JIpEhpXKGzfuyMVJdDI9WA4gghpsFlEY2DnU6K/IDYUADDQ==
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

2026-09-17T10:04:05.281243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080139
observed 98092ece261e8053278f83043b11ef98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.262865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080139/manifest.json
observed 7b3d43a64cbb1c92772d22b0af267e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.244665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080139/publication.md
observed f1c54742b2e125c446196e9fe4b943cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.227034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080139/publication.txt
observed c6d689f392ca6095ed391ebebc65aec8...
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.