OpenTechnical

OT-2026-000053987

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000053987) never changes.

Identity and time

Publication numberOT-2026-000053987 · never reused
Internal UUID01a0ae85-b3a7-7c9a-b9ff-76fa6828afd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053987
StatusPUBLIC

Content hashes

Canonical text3d71935e18d8f62076720052b53e21f3384738d9f7cda749bbb6726ab26c4976
Markdown71c5d1887baa1ecf8332f36139f6b05351576b397f336ff1051fef9e7c28d4a1
PDF
Publication pageef59d1098af2dd33c9d59f94450736ea7899f4ad80e278f6860ed5144a1a008a
Manifest0515d17b4f1b43644925b338565c7bab8c5be8449bc9e66b4f47221d78591df7

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
SignatureOrkOx+eM4jINvrQcqTtoBrIG9ZDd+2FJ+cyVzv3owVmv06MToUhLIznXcUthgHIz8s6tMN5JRhS/ERsF7D7QDg==
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

2026-09-17T10:54:17.752133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053987
observed ef59d1098af2dd33c9d59f94450736ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:17.695776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053987/manifest.json
observed 0515d17b4f1b43644925b338565c7bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:17.648505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053987/publication.md
observed 71c5d1887baa1ecf8332f36139f6b053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:17.596701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053987/publication.txt
observed 3d71935e18d8f62076720052b53e21f3...
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.