OpenTechnical

OT-2026-000034903

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000034903) never changes.

Identity and time

Publication numberOT-2026-000034903 · never reused
Internal UUID01a0ae76-1ed3-7971-9607-5b4da48a4d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034903
StatusPUBLIC

Content hashes

Canonical text7c63eb5e5236473805c68d79320cea686abc4eaf352a013d7e2ea0e2ce96fd01
Markdown42b975c75590512f5e04856b3804276dcbeb2ffea65a80cf073fc23a0a57f16b
PDF
Publication page9fdef77ef1640ac4fd2fa0ed2b93ded029cfcd83ab8677829a89f2520c68d69d
Manifestd939a1acfcee6e7170fe47b1b725eece62d1240043e92339488cb548f8e66c8f

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
SignaturedL7GxLN+HPKih31+UtcBEyH5+gkVg6Lo0yHPqlTmZ2UGY8k3gW16xXlAWawDF9SqnpyBVDACrHJYTdp7T3OzDA==
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

2026-09-17T11:30:33.893268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903
observed 9fdef77ef1640ac4fd2fa0ed2b93ded0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.876271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903/manifest.json
observed d939a1acfcee6e7170fe47b1b725eece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.855444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903/publication.md
observed 42b975c75590512f5e04856b3804276d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.833256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903/publication.txt
observed 7c63eb5e5236473805c68d79320cea68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.742924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903
observed 9fdef77ef1640ac4fd2fa0ed2b93ded0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.724036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903/manifest.json
observed d939a1acfcee6e7170fe47b1b725eece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.706332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903/publication.md
observed 42b975c75590512f5e04856b3804276d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:54.687064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034903/publication.txt
observed 7c63eb5e5236473805c68d79320cea68...
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.