OpenTechnical

OT-2026-000101398

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101398) never changes.

Identity and time

Publication numberOT-2026-000101398 · never reused
Internal UUID01a0aea4-0e13-7910-93a4-734e983b7091 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101398
StatusPUBLIC

Content hashes

Canonical text1f4878a8d2f79976e215efa8907dd042a6d4579c41d78d9e9032dbfeb29c711c
Markdown3cfc489f5d70f3c4b460e64aaf19425aa2d892e8a9d4cfe1d27b43ccfd47008c
PDF
Publication page352dd41b9f4dec3c18b521a57bb342909ff08c7bf845c94b666cbc26a335f305
Manifest6b58ad597817dbc3257798aab7f5548cdb5c55a22fcb3d9b4b986ef41866329a

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
SignatureG1vLQREQqxrhqy8Jflbndot9FVG19ZKjFZptg+NrbNLSPrQ91pNthzOIRKMbnaYpXlgwuu4Wz4fDgGxLj0h6BA==
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

2026-09-17T12:42:27.147281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398
observed 352dd41b9f4dec3c18b521a57bb34290...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:26.882514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398/manifest.json
observed 6b58ad597817dbc3257798aab7f5548c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:26.615970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398/publication.md
observed 3cfc489f5d70f3c4b460e64aaf19425a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:26.307337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398/publication.txt
observed 1f4878a8d2f79976e215efa8907dd042...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.007675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398
observed 352dd41b9f4dec3c18b521a57bb34290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.989296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398/manifest.json
observed 6b58ad597817dbc3257798aab7f5548c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.941088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398/publication.md
observed 3cfc489f5d70f3c4b460e64aaf19425a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.892776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101398/publication.txt
observed 1f4878a8d2f79976e215efa8907dd042...
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.