OpenTechnical

OT-2026-000056082

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000056082) never changes.

Identity and time

Publication numberOT-2026-000056082 · never reused
Internal UUID01a0ae87-0a4b-77d7-a12f-59aec687f812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056082
StatusPUBLIC

Content hashes

Canonical texta8a37c812f80e0abab4ffa0ee5f538d0006ca33f1e14a443991300d670d7eec6
Markdown6d760cf6f873043a5579a5f722c469961b4660e0bc48f8e90cc7886c6e1c6ee8
PDF
Publication page3e333e80030b5ac71cc0b5a8bce5cd880e201e6d59e15470c6a1d9ed9ed4348b
Manifestec8477d75929e796903c153bce529c88abcc165ac08ebb9f1b1b593634c592c8

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
Signature9uUB/DgI/QR1YewcEzozFwkfW2VzF5vNIpFwMSyZFsFLQQgD6GhZmk0y+AheCY/of1gAan1kZJ+sCYQ3LADUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:37.143949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056082
observed 3e333e80030b5ac71cc0b5a8bce5cd88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.126753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056082/manifest.json
observed ec8477d75929e796903c153bce529c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.108967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056082/publication.md
observed 6d760cf6f873043a5579a5f722c46996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:37.088254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056082/publication.txt
observed a8a37c812f80e0abab4ffa0ee5f538d0...
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.