OpenTechnical

OT-2026-000101191

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101191) never changes.

Identity and time

Publication numberOT-2026-000101191 · never reused
Internal UUID01a0aea3-c378-7e0f-aeb2-e9490f3ef489 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101191
StatusPUBLIC

Content hashes

Canonical textfa359eedf222ae09b4946d34daa660256f3f98f2b431858f579cf532377e65aa
Markdownff4e1bf3030ae6b167ad98b9ef5a2d0ada9ae26440c60bdf63befa6137ab2967
PDF
Publication page58fde68f6d05cbe3e496e7768b049ae9cd99737162f222ba0daa9cef64a54352
Manifest09b3b36000c21a3136df6ad4abf3e0aca71322dfd0db97da6c8db7ff837c56dd

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
SignatureXIhNYXyD7mRJXv0pxQDxb1/LtcW8rezMpW3ue44vH8nuvmUuS+VYWuRznRFTKLUBtee9HgyJRmXc75YcuCmJDQ==
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

2026-09-17T09:26:50.343662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101191
observed 58fde68f6d05cbe3e496e7768b049ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.326100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101191/manifest.json
observed 09b3b36000c21a3136df6ad4abf3e0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.307744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101191/publication.md
observed ff4e1bf3030ae6b167ad98b9ef5a2d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.291808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101191/publication.txt
observed fa359eedf222ae09b4946d34daa66025...
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.