OpenTechnical

OT-2026-000102319

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102319) never changes.

Identity and time

Publication numberOT-2026-000102319 · never reused
Internal UUID01a0aea4-50f4-7830-97e8-f428338bd53f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102319
StatusPUBLIC

Content hashes

Canonical text70f77a472ad54a0f912a120c321600d54d20a32b25c652859f6d555e823c088c
Markdownfb0edc487ab2c1f4677c5739574d9ce60206e3c9794d2f21affb222884fb4970
PDF
Publication page82002f5fbab21668bb208c958a95c88c78832cdb824948223519a5629c5f33de
Manifest664be98bb03db26d58c52cf173451f1830cc532529b8f75f2182ca2174edd6d3

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
SignatureaZt4w9TtmYCiaBk9WpHL0cnJIBq15FJzwDhM7m0eAJFPDe+U081SbVONoZLtpriTJYRFmjX2UaJGk6cs1GuHDA==
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

2026-09-17T09:25:31.183438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102319
observed 82002f5fbab21668bb208c958a95c88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.166339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102319/manifest.json
observed 664be98bb03db26d58c52cf173451f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.148768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102319/publication.md
observed fb0edc487ab2c1f4677c5739574d9ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.013505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102319/publication.txt
observed 70f77a472ad54a0f912a120c321600d5...
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.