OpenTechnical

OT-2026-000027414

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000027414) never changes.

Identity and time

Publication numberOT-2026-000027414 · never reused
Internal UUID01a0ae72-6998-73d6-be30-8c9958e4d358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027414
StatusPUBLIC

Content hashes

Canonical text6df08c39e89fcfeb228f36ffea63cb2d4971eb15af4b8529067d9f3b58aba511
Markdownb841b998af4bc2cfc36047c4099593d3be48d245faaa48aeaa2804f37a5dedd5
PDF
Publication page2fb31ef8da9c8367f88aa05aca7764b370671c28f56599599f1713ee6198fbc4
Manifest8c04e6a25b45208f259501e292e2a1ab636d5dff7fc01b57a1630872d34e0c43

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
SignatureUfThAQofHRQUGSv8V7ZFPN0ig8m/IgrIBltClKa7FKBOvTtm4Rw6XvhVluXnlrMjT9IDGvPPgaTXhQoE/CYaDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:42:50.488294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027414
observed 2fb31ef8da9c8367f88aa05aca7764b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.470616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027414/manifest.json
observed 8c04e6a25b45208f259501e292e2a1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.452912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027414/publication.md
observed b841b998af4bc2cfc36047c4099593d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:50.433993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027414/publication.txt
observed 6df08c39e89fcfeb228f36ffea63cb2d...
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.