OpenTechnical

OT-2026-000037912

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000037912) never changes.

Identity and time

Publication numberOT-2026-000037912 · never reused
Internal UUID01a0ae77-f88a-7911-bda1-e3402e064e62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037912
StatusPUBLIC

Content hashes

Canonical text7f0314a54f4de41d2f30d5f117950f90fe22b88627375c60988e0109bb95f0ac
Markdown013b5ad3145a52f895ba4c9d69007ca54eb53dc7ccfb2f5cbfb9b6f4df227923
PDF
Publication page6e179dd5762ab450b3523a0b008cf85bbcb4ebb922fb598991e319012ae73ea1
Manifest1c901f5cf27d401ad39dcb7cc7aa16c051e1c9364f63bec6808e33de1b3328b7

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
SignatureVCCIc50a2786ZGlJEvh9N1NQiUNGoSS2R8QKyfAWS6pFEfzj32+iW6zekHaY4SRYIO8fxRukjl7wUSS63RlbCA==
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

2026-09-17T11:23:11.097381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037912
observed 6e179dd5762ab450b3523a0b008cf85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:11.080270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037912/manifest.json
observed 1c901f5cf27d401ad39dcb7cc7aa16c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:11.009997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037912/publication.md
observed 013b5ad3145a52f895ba4c9d69007ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.990388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037912/publication.txt
observed 7f0314a54f4de41d2f30d5f117950f90...
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.