OpenTechnical

OT-2026-000056498

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000056498) never changes.

Identity and time

Publication numberOT-2026-000056498 · never reused
Internal UUID01a0ae87-7af4-7bdf-81ac-e916d948380b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056498
StatusPUBLIC

Content hashes

Canonical text5ef3b4a24a38e69a657cb575fd2cd81e6c2a28cdfd26e1be416e81f6706b85e4
Markdown00f150f543653dab66575c2d7adae99d91ea9162daf6d0094d25f6c7023e39dd
PDF
Publication page81f5c17c65b6ed77497e54f85686ea0674a25ff4b0990cb3ba4fb64a3fe11559
Manifest40fc4f4eabdb003d36735766fd2e49a354813f506ae22635c33e35586ecdd944

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
Signaturevkrg9qIndcLHww/KQcV7rnxhpCSupQnomuRsry2DP6Rwvo0z0SWOpvfVn4pXle+MwQEWzcjMpes/LjXcvRrQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:49.043746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056498
observed 81f5c17c65b6ed77497e54f85686ea06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.025648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056498/manifest.json
observed 40fc4f4eabdb003d36735766fd2e49a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.005745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056498/publication.md
observed 00f150f543653dab66575c2d7adae99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.987891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056498/publication.txt
observed 5ef3b4a24a38e69a657cb575fd2cd81e...
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.