OpenTechnical

OT-2026-000097804

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000097804) never changes.

Identity and time

Publication numberOT-2026-000097804 · never reused
Internal UUID01a0aea1-92f6-7c85-a25b-f5f4b605a2c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097804
StatusPUBLIC

Content hashes

Canonical text1577b27d1e4331ef0a9502e133eeaeec0f0797903cd52a707c5b7c6b26226bd4
Markdown87bb9d2c7c3e0c687a0c96ebd486a91b9c6dab561f52469b985f9cc0aaa459a3
PDF
Publication pagecb23e9947695f6c186d8d1ee0d6f0f97f4ce6d28f37f214c01690f9f22115e33
Manifestb4ba8fd293177812badb4b57ee93efe69f4c5b9d02499d792deddbfec476ee1e

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
Signaturei+5QInAvHrJVIqx+mkFtiWv82d+G65iIF43RTwsdDtJRnTdbYLGbiseAI//bc7sGCKAmdzJmhBbFI+r0/NeAAQ==
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

2026-09-17T09:32:53.400174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097804
observed cb23e9947695f6c186d8d1ee0d6f0f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.382754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097804/manifest.json
observed b4ba8fd293177812badb4b57ee93efe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.363370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097804/publication.md
observed 87bb9d2c7c3e0c687a0c96ebd486a91b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.344413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097804/publication.txt
observed 1577b27d1e4331ef0a9502e133eeaeec...
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.