OpenTechnical

OT-2026-000052580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000052580) never changes.

Identity and time

Publication numberOT-2026-000052580 · never reused
Internal UUID01a0ae84-573b-7785-b3d4-c4bd5c57f548 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052580
StatusPUBLIC

Content hashes

Canonical text3adcae1a589433e4d7a1e6352ed5c486fb62dbac5d664136a4e6e5d4096c3dd7
Markdown1b6f55a0339c14959cd3d33ec49ce3005c35e4260c680d376060a93fcbe03545
PDF
Publication page5be6fa6a2bd9f51d8a32472fa3859229352d443044cdc440b288765177ecb4d5
Manifestdc3ad870e57a130c69029226b012bc9478841a4d94df708ee1ce87a3f5d193d6

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
SignaturetkaPxfG/kKr5ausGTkM0qrOwEeDMDtUwnyoSDBo8jjUfI9oLjXhW2FuBVzV++m20BmoGpSvxv8d6Rm4rPaXLAg==
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

2026-09-17T10:57:14.495821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052580
observed 5be6fa6a2bd9f51d8a32472fa3859229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.478009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052580/manifest.json
observed dc3ad870e57a130c69029226b012bc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.459697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052580/publication.md
observed 1b6f55a0339c14959cd3d33ec49ce300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.440578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052580/publication.txt
observed 3adcae1a589433e4d7a1e6352ed5c486...
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.