OpenTechnical

OT-2026-000055655

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000055655) never changes.

Identity and time

Publication numberOT-2026-000055655 · never reused
Internal UUID01a0ae86-a103-732f-891e-65cd7c6bb543 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055655
StatusPUBLIC

Content hashes

Canonical text76481d5ba57969e3895900dc0b69a0060cd75e6518094ab2a6674a7ca54384cb
Markdown57447a278b2a63cf3d0b79ae895ff496cbd069267ffdd28db4869c11aac7fb03
PDF
Publication pageea6e9fff8b3bc0c058329cd3420044627cc7db6c4fed9bb2188702619bc257f6
Manifest041436e4d23b8464dde321ce9e8bbbecd1714f94fa471afbcd8731c1615ab438

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
SignaturefWF16mn9ZYb5BfJcLQsNzvuCfBtqIMQsrVQCACHYDwzbddyz8kioUB5bL8QyTAabWNBGKnImPNOEMgq206oQAg==
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

2026-09-17T10:52:54.745170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055655
observed ea6e9fff8b3bc0c058329cd342004462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.726695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055655/manifest.json
observed 041436e4d23b8464dde321ce9e8bbbec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.708491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055655/publication.md
observed 57447a278b2a63cf3d0b79ae895ff496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.690556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055655/publication.txt
observed 76481d5ba57969e3895900dc0b69a006...
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.