OpenTechnical

OT-2026-000056883

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000056883) never changes.

Identity and time

Publication numberOT-2026-000056883 · never reused
Internal UUID01a0ae87-7af8-7be8-bb62-38f521b206b4 · 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-2026-000056883
StatusPUBLIC

Content hashes

Canonical text3d2b3300e457ee1fbfcf12dc541263b0974c62f36bb0486e78f8926316383f4f
Markdownca4a7014208dbbb8a446500965ebe0e834732c5e16d1c01c5f26945e1386ad82
PDF
Publication pagefbf18bb4e096a0392a5e7890e2fa26e676db9267ec18b65038bc60e9a6d432d5
Manifest908751600e5871063c2f33d09047981cba24e413adc6c9fc7453eedffcd88f83

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
SignatureCvsziO54CRHwG/ttqwBP0qaODv342hA1Axsmo4KYeZW6WMsNFdA3vPRMiCyfKcFsLlz0WH6JslRay715jspdAA==
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

2026-09-17T10:50:25.063467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056883
observed fbf18bb4e096a0392a5e7890e2fa26e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.044677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056883/manifest.json
observed 908751600e5871063c2f33d09047981c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.025276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056883/publication.md
observed ca4a7014208dbbb8a446500965ebe0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.006015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056883/publication.txt
observed 3d2b3300e457ee1fbfcf12dc541263b0...
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.